pith. sign in
Pith Number

pith:YSTULBRW

pith:2013:YSTULBRWPK5E25XAI3OG42LT3F
not attested not anchored not stored refs pending

F_p is locally like C

Codrut Grosu

arxiv:1303.2363 v2 · 2013-03-10 · math.CO · math.NT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YSTULBRWPK5E25XAI3OG42LT3F}

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 2026-05-18T00:44:29.977477Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c4a74586367aba4d76e046dc6e6973d9492f555198230790fdb22aafc8360c24

Aliases

arxiv: 1303.2363 · arxiv_version: 1303.2363v2 · doi: 10.48550/arxiv.1303.2363 · pith_short_12: YSTULBRWPK5E · pith_short_16: YSTULBRWPK5E25XA · pith_short_8: YSTULBRW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YSTULBRWPK5E25XAI3OG42LT3F \
  | 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: c4a74586367aba4d76e046dc6e6973d9492f555198230790fdb22aafc8360c24
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "08c2821d3ba10cadf0fe418cbddb06ab982e5d37160c172463c24120a180779b",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-03-10T19:18:45Z",
    "title_canon_sha256": "d4d97f3cdd042c850deceb0215bfa567c08ccbe403f2e79e6385c43afeb0c8b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2363",
    "kind": "arxiv",
    "version": 2
  }
}