Pith Number

pith:AG76J345

pith:2014:AG76J345CK3AD66WPNEHS7QAMR

not attested not anchored not stored refs pending

Arcs intersecting at most once

Piotr Przytycki

arxiv:1402.1570 v2 · 2014-02-07 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AG76J345CK3AD66WPNEHS7QAMR}

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	2026-05-18T02:44:18.123613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01bfe4ef9d12b601fbd67b48797e0064617a73839a46ef53f70b2d45f3805d60

Aliases

arxiv: 1402.1570 · arxiv_version: 1402.1570v2 · doi: 10.48550/arxiv.1402.1570 · pith_short_12: AG76J345CK3A · pith_short_16: AG76J345CK3AD66W · pith_short_8: AG76J345

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/AG76J345CK3AD66WPNEHS7QAMR \
  | 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: 01bfe4ef9d12b601fbd67b48797e0064617a73839a46ef53f70b2d45f3805d60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c488923b9a36bb0f0ef880fac8d59ba375462added306034e86f784c02afa6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-02-07T08:36:34Z",
    "title_canon_sha256": "50da2c621fefabcb7f722e505cdb2dc1aaa7142cc0d884a5b7c30a4182ed0a93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1570",
    "kind": "arxiv",
    "version": 2
  }
}