Pith Number

pith:2FO2TTRZ

pith:2013:2FO2TTRZXDOED56QBTQVKINQIT

not attested not anchored not stored refs pending

Codes on Graphs: Fundamentals

G. David Forney Jr

arxiv:1306.6264 v2 · 2013-06-26 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FO2TTRZXDOED56QBTQVKINQIT}

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	2026-05-18T02:45:58.319412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d15da9ce39b8dc41f7d00ce15521b044d78ff1a3ceeb0d90ca4af823ed859a49

Aliases

arxiv: 1306.6264 · arxiv_version: 1306.6264v2 · doi: 10.48550/arxiv.1306.6264 · pith_short_12: 2FO2TTRZXDOE · pith_short_16: 2FO2TTRZXDOED56Q · pith_short_8: 2FO2TTRZ

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/2FO2TTRZXDOED56QBTQVKINQIT \
  | 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: d15da9ce39b8dc41f7d00ce15521b044d78ff1a3ceeb0d90ca4af823ed859a49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54c3dcbe6eab73c9189845f0867fd8a1b2e1b007d63edcf676cf29e7d32d507a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-06-26T14:57:08Z",
    "title_canon_sha256": "921b6c9b70b95e29dff252681782e6ba9f1e8854bf1d68ba2abf81d99ec801ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6264",
    "kind": "arxiv",
    "version": 2
  }
}