Pith Number

pith:JH24ML2C

pith:2011:JH24ML2CVL3NWNXBSBBYYKADKL

not attested not anchored not stored refs pending

Heegaard splittings and open books

Jesse Johnson

arxiv:1110.2142 v1 · 2011-10-10 · 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{JH24ML2CVL3NWNXBSBBYYKADKL}

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	2026-05-18T04:11:18.872283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49f5c62f42aaf6db36e190438c280352edf0c090568412f88358419c05d60ee4

Aliases

arxiv: 1110.2142 · arxiv_version: 1110.2142v1 · doi: 10.48550/arxiv.1110.2142 · pith_short_12: JH24ML2CVL3N · pith_short_16: JH24ML2CVL3NWNXB · pith_short_8: JH24ML2C

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/JH24ML2CVL3NWNXBSBBYYKADKL \
  | 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: 49f5c62f42aaf6db36e190438c280352edf0c090568412f88358419c05d60ee4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a9e8708141460713fc97c8958e28b8f5f643e91da3c0063ee781d3c9b40f846",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2011-10-10T18:44:13Z",
    "title_canon_sha256": "bddfa4ad9365c5ebe492c3779c9e7d90c4e6a9bf824bf231d28a191c7363db0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2142",
    "kind": "arxiv",
    "version": 1
  }
}