Pith Number

pith:ABAH6CZE

pith:2023:ABAH6CZEUEBWQWFEZLJDOIBPRE

not attested not anchored not stored refs pending

Heegaard splittings and virtually special square complexes

Chandrika Sadanand

arxiv:2301.09527 v2 · 2023-01-23 · 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{ABAH6CZEUEBWQWFEZLJDOIBPRE}

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	2026-07-05T06:21:30.334688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00407f0b24a1036858a4cad237202f8932f061ec9e886c48bc69097521f6b1e8

Aliases

arxiv: 2301.09527 · arxiv_version: 2301.09527v2 · doi: 10.48550/arxiv.2301.09527 · pith_short_12: ABAH6CZEUEBW · pith_short_16: ABAH6CZEUEBWQWFE · pith_short_8: ABAH6CZE

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/ABAH6CZEUEBWQWFEZLJDOIBPRE \
  | 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: 00407f0b24a1036858a4cad237202f8932f061ec9e886c48bc69097521f6b1e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d60986ad54dabd7bf020919c6bb5bfbefb7c5d11aa4996052251379d2e708873",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2023-01-23T16:20:22Z",
    "title_canon_sha256": "feb0399fe1cc916c6da8b0bad79559706f1a70d7400c99fd06b680282454b9e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.09527",
    "kind": "arxiv",
    "version": 2
  }
}