Pith Number

pith:H4F2RFRY

pith:2022:H4F2RFRYT4OG5VOLYQTJQLEKOZ

not attested not anchored not stored refs pending

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Dariusz Brzezinski, Maciej Piernik, Pawel Zawadzki

arxiv:2204.05389 v1 · 2022-04-11 · cs.LG · q-bio.QM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4F2RFRYT4OG5VOLYQTJQLEKOZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T04:13:57.517660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f0ba896389f1c6ed5cbc426982c8a766c61ee023601354c6df194f0c094effe

Aliases

arxiv: 2204.05389 · arxiv_version: 2204.05389v1 · doi: 10.48550/arxiv.2204.05389 · pith_short_12: H4F2RFRYT4OG · pith_short_16: H4F2RFRYT4OG5VOL · pith_short_8: H4F2RFRY

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/H4F2RFRYT4OG5VOLYQTJQLEKOZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3f0ba896389f1c6ed5cbc426982c8a766c61ee023601354c6df194f0c094effe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "013e5588af8d69b694516a9adf60b7e95da313ec1c8d19eccb77aedd5638bc9d",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-04-11T20:14:05Z",
    "title_canon_sha256": "d054f8c2099ad02b0bd4a4c83df810a5e237d24aa13ae94f333ba03fa13136d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.05389",
    "kind": "arxiv",
    "version": 1
  }
}