Pith Number

pith:6O7ODKR7

pith:2016:6O7ODKR7C6WVE7LP3A5ISQQMJY

not attested not anchored not stored refs pending

Metrics Based on Finite Directed Graphs and Coding Invariants

Marcelo Firer, Roberto Assis Machado, Tuvi Etzion

arxiv:1609.08067 v3 · 2016-09-26 · cs.IT · cs.DM · 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{6O7ODKR7C6WVE7LP3A5ISQQMJY}

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	2026-05-18T00:45:20.027781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3bee1aa3f17ad527d6fd83a89420c4e03a1de5a3c53c8345d86ad08bb6c9a42

Aliases

arxiv: 1609.08067 · arxiv_version: 1609.08067v3 · doi: 10.48550/arxiv.1609.08067 · pith_short_12: 6O7ODKR7C6WV · pith_short_16: 6O7ODKR7C6WVE7LP · pith_short_8: 6O7ODKR7

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/6O7ODKR7C6WVE7LP3A5ISQQMJY \
  | 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: f3bee1aa3f17ad527d6fd83a89420c4e03a1de5a3c53c8345d86ad08bb6c9a42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f5ad2f19168bb4536a3a160c56fae75ea7d07e2471a868aeb3241d5f0637fcd",
    "cross_cats_sorted": [
      "cs.DM",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-09-26T16:48:26Z",
    "title_canon_sha256": "85897ba16794af3a6b735d4f2bc564ccab0f41282a69afb5192b178d8c4716b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08067",
    "kind": "arxiv",
    "version": 3
  }
}