Pith Number

pith:QEXRKK7N

pith:2017:QEXRKK7NYYU3CK6EAYUGEVFM2A

not attested not anchored not stored refs pending

A Compositional Framework for Reaction Networks

Blake S. Pollard, John C. Baez

arxiv:1704.02051 v5 · 2017-04-06 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QEXRKK7NYYU3CK6EAYUGEVFM2A}

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	2026-07-05T03:33:36.070965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

812f152bedc629b12bc406286254acd0020b4a6171926a6cb9166a80b066b035

Aliases

arxiv: 1704.02051 · arxiv_version: 1704.02051v5 · doi: 10.48550/arxiv.1704.02051 · pith_short_12: QEXRKK7NYYU3 · pith_short_16: QEXRKK7NYYU3CK6E · pith_short_8: QEXRKK7N

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/QEXRKK7NYYU3CK6EAYUGEVFM2A \
  | 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: 812f152bedc629b12bc406286254acd0020b4a6171926a6cb9166a80b066b035

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bce5511914e30f4b9bdefa268500c984898a16286e3a8c1c7bc0595865a2c7d0",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-04-06T23:38:44Z",
    "title_canon_sha256": "6ad780865e0fff1da457a42a0fdac3af29dafdaf95953059e8f630b4b01a7a63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02051",
    "kind": "arxiv",
    "version": 5
  }
}