pith. sign in
Pith Number

pith:TBXHEPHJ

pith:2013:TBXHEPHJA4EMFQSWXQXK3JIW3Z
not attested not anchored not stored refs pending

Patterns formed by coins

Andrey M. Mishchenko

arxiv:1304.2803 v1 · 2013-04-09 · math.HO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TBXHEPHJA4EMFQSWXQXK3JIW3Z}

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 2026-05-18T03:28:28.196203Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

986e723ce90708c2c256bc2eada516de5c2576fdc3c191395f003ecaface4e83

Aliases

arxiv: 1304.2803 · arxiv_version: 1304.2803v1 · doi: 10.48550/arxiv.1304.2803 · pith_short_12: TBXHEPHJA4EM · pith_short_16: TBXHEPHJA4EMFQSW · pith_short_8: TBXHEPHJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TBXHEPHJA4EMFQSWXQXK3JIW3Z \
  | 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: 986e723ce90708c2c256bc2eada516de5c2576fdc3c191395f003ecaface4e83
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "aca191f0675e32af0aa7c07b5b50d48d781ec69f6002a1b2beb7623e5d4d5eaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2013-04-09T21:54:53Z",
    "title_canon_sha256": "385e33f422df1fc06ef64e393731661d3030b5c7424d4809f343edf385f3b904"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2803",
    "kind": "arxiv",
    "version": 1
  }
}