Pith Number

pith:SYD6QNEY

pith:2012:SYD6QNEYCDSPOGNPIBZKQC6C7L

not attested not anchored not stored refs pending

Network Rewriting I: The Foundation

Lars Hellstr\"om

arxiv:1204.2421 v1 · 2012-04-11 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SYD6QNEYCDSPOGNPIBZKQC6C7L}

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	2026-05-18T03:58:05.352708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9607e8349810e4f719af4072a80bc2faf4a6888851b001ef73943ad530ab8105

Aliases

arxiv: 1204.2421 · arxiv_version: 1204.2421v1 · doi: 10.48550/arxiv.1204.2421 · pith_short_12: SYD6QNEYCDSP · pith_short_16: SYD6QNEYCDSPOGNP · pith_short_8: SYD6QNEY

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/SYD6QNEYCDSPOGNPIBZKQC6C7L \
  | 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: 9607e8349810e4f719af4072a80bc2faf4a6888851b001ef73943ad530ab8105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0194b10ff78da377e3fa3867f9a0ce5de14f83d142a256b06c0343f11f0bf0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2012-04-11T11:49:33Z",
    "title_canon_sha256": "c86e0c6081fcde5e4b4c10cb99c3e00fffc7afdfc15b9a8c3f71e0611bf615af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2421",
    "kind": "arxiv",
    "version": 1
  }
}