Pith Number

pith:ARUZCUCU

pith:2013:ARUZCUCUAOP3ZSSEXBTQ5QAGNF

not attested not anchored not stored refs pending

Topological Additive Numbering of Directed Acyclic Graphs

Daniel Severin, Javier Marenco, Marcelo Mydlarz

arxiv:1310.4141 v2 · 2013-10-15 · cs.CC · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ARUZCUCUAOP3ZSSEXBTQ5QAGNF}

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	2026-05-18T00:31:59.704287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0469915054039fbcca44b8670ec006696d40ff5bcba7124eafef144afa9db893

Aliases

arxiv: 1310.4141 · arxiv_version: 1310.4141v2 · doi: 10.48550/arxiv.1310.4141 · pith_short_12: ARUZCUCUAOP3 · pith_short_16: ARUZCUCUAOP3ZSSE · pith_short_8: ARUZCUCU

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/ARUZCUCUAOP3ZSSEXBTQ5QAGNF \
  | 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: 0469915054039fbcca44b8670ec006696d40ff5bcba7124eafef144afa9db893

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "950890fc74ebc44b7f1d7f9097d85199d6d359d0316dac8db58013f51495fe47",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-10-15T18:41:31Z",
    "title_canon_sha256": "4edeef1828e0accda1001e2cf01c7a57301b933737ef4c0d40a4dadf53ac7f6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4141",
    "kind": "arxiv",
    "version": 2
  }
}