pith. sign in
Pith Number

pith:5AATKVSO

pith:2018:5AATKVSONQVLPQN76KR32DKCW7
not attested not anchored not stored refs pending

Equivalence of OEIS A007729 and A174868

David Wilson, Michael J. Collins

arxiv:1812.11174 v1 · 2018-12-25 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5AATKVSONQVLPQN76KR32DKCW7}

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 2026-05-17T23:57:16.190656Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e80135564e6c2ab7c1bff2a3bd0d42b7d4df22236c1be2614443dbc9452abab4

Aliases

arxiv: 1812.11174 · arxiv_version: 1812.11174v1 · doi: 10.48550/arxiv.1812.11174 · pith_short_12: 5AATKVSONQVL · pith_short_16: 5AATKVSONQVLPQN7 · pith_short_8: 5AATKVSO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5AATKVSONQVLPQN76KR32DKCW7 \
  | 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: e80135564e6c2ab7c1bff2a3bd0d42b7d4df22236c1be2614443dbc9452abab4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7b59e2eeef6a2992f2b17e5105e24d790456ba174a6e5c70dc969ea33b0f10e2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-12-25T15:53:36Z",
    "title_canon_sha256": "158398afca7e22aa3e00eccc7c962a363279ca64e910650afff02c4f3e534eb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11174",
    "kind": "arxiv",
    "version": 1
  }
}