What is CID ?
CID is a format for referencing content in distributed information systems, like IPFS. It leverages content addressing, cryptographic hashing, and self-describing formats.
It is the core identifier used by IPFS and IPLD.
CID is a self-describing content-addressed identifier.
It uses cryptographic hashes to achieve content addressing.
It uses several multiformats to achieve flexible self-description, namely multihash for hashes, multicodec for data content types, and multibase to encode the CID itself into strings.
Sample Usage
>>> from cid import make_cid
>>> make_cid('QmaozNR7DZHQK1ZcU9p7QdrshMvXqWK6gpu5rmrkPdT3L4')
CIDv0(version=0, codec=dag-pb, multihash=b"\x12 \xb9M'\xb9\x93M>\x08\xa5.R\xd7\xda}\xab\xfa\xc4\x84..")
>>> cid = make_cid('QmaozNR7DZHQK1ZcU9p7QdrshMvXqWK6gpu5rmrkPdT3L4')
>>> print(cid.version, cid.codec, cid.multihash)
>>> print(cid.encode())
QmaozNR7DZHQK1ZcU9p7QdrshMvXqWK6gpu5rmrkPdT3L4
>>> str(cid)
'QmaozNR7DZHQK1ZcU9p7QdrshMvXqWK6gpu5rmrkPdT3L4'Other info
Free software: MIT license
Documentation: https://py-cid.readthedocs.io.
Python versions: 3.10-3.14
4 maintainers
Metadata
4 maintainers
Release files for py-cid 0.5.0
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | |
|---|---|---|---|---|
| py_cid-0.5.0.tar.gz | 38.0 kB | Without provenance | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| py_cid-0.5.0-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 54.1 kB
Release files / py_cid-0.5.0.tar.gz
| Download URL | py_cid-0.5.0.tar.gz |
|---|---|
| Size | 38.0 kB |
| Tags | Source |
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SHA-256 checksum How to use checksums |
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BLAKE2b-256 checksum How to use checksums |
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No |
| Uploaded via |
twine/6.2.0 CPython/3.13.0
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Release files / py_cid-0.5.0-py3-none-any.whl
| Download URL | py_cid-0.5.0-py3-none-any.whl |
|---|---|
| Size | 16.0 kB |
| Tags | Python 3 |
|
SHA-256 checksum How to use checksums |
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BLAKE2b-256 checksum How to use checksums |
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Uploaded using Trusted Publishing? What is trusted publishing? |
No |
| Uploaded via |
twine/6.2.0 CPython/3.13.0
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Security for py-cid 0.5.0
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