Canonical Hash

Deterministic hashing for arbitrary Python objects.

Provides utilities for creating stable, deterministic hashes of Python objects, essential for cache key computation, data versioning, and reproducibility.

Usage

from scicanonicalhash import canonical_hash, generate_record_id

# Hash any supported Python object
h = canonical_hash(42)
h = canonical_hash([1, 2, 3])
h = canonical_hash({"key": "value"})

# Generates a 16-character hex string (first 64 bits of SHA-256)
assert len(h) == 16
assert canonical_hash(42) == canonical_hash(42)  # Deterministic

Supported Types

JSON-serializable primitives (None, bool, int, float, str)
numpy ndarrays (via shape + dtype + raw bytes)
pandas DataFrames (via columns + index + array serialization)
pandas Series (via name + array serialization)
Dicts (sorted keys, recursive serialization)
Lists/tuples (order-preserving, recursive serialization)

`generate_record_id`

Generate a unique record ID from type, schema version, content hash, and metadata:

rid = generate_record_id("MyData", 1, "abc123", {"subject": 1})

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Source Distribution

scicanonicalhash-0.1.16.tar.gz (4.5 kB view details)

Uploaded Jul 28, 2026 Source

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Upload date: Jul 28, 2026
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Uploaded via: twine/6.1.0 CPython/3.13.14

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Algorithm	Hash digest
SHA256	`c0ce8c5c9f896b6f45c2f15d91795068b64267a935f34b32f2b56110186fc5ff`
MD5	`e1fec9158c3d70657df00036e4150e2d`
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Provenance

The following attestation bundles were made for scicanonicalhash-0.1.16.tar.gz:

Publisher: publish.yml on mtillman14/scistack

Attestations: Values shown here reflect the state when the release was signed and may no longer be current.

Statement:
- Statement type: https://in-toto.io/Statement/v1
- Predicate type: https://docs.pypi.org/attestations/publish/v1
- Subject name: scicanonicalhash-0.1.16.tar.gz
- Subject digest: c0ce8c5c9f896b6f45c2f15d91795068b64267a935f34b32f2b56110186fc5ff
- Sigstore transparency entry: 2277522747
- Sigstore integration time: Jul 28, 2026
Source repository:
- Permalink: mtillman14/scistack@f7858096e5db76e10cdceb4d7dd90ff7b9752a42
- Branch / Tag: refs/tags/v0.1.16
- Owner: https://github.com/mtillman14
- Access: public
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- Runner Environment: github-hosted
- Publication workflow: publish.yml@f7858096e5db76e10cdceb4d7dd90ff7b9752a42
- Trigger Event: push