Pith Number

pith:DDM4OAZV

pith:2023:DDM4OAZVS7AMWZHRBI3HRKC5TO

not attested not anchored not stored refs pending

Flip graph and arc complex finite rigidity

Chandrika Sadanand, Emily Shinkle

arxiv:2310.04211 v2 · 2023-10-06 · 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{DDM4OAZVS7AMWZHRBI3HRKC5TO}

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	2026-07-05T10:13:26.049857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18d9c7033597c0cb64f10a3678a85d9baaccc64f9e9744b9f3fb7bc535fd69af

Aliases

arxiv: 2310.04211 · arxiv_version: 2310.04211v2 · doi: 10.48550/arxiv.2310.04211 · pith_short_12: DDM4OAZVS7AM · pith_short_16: DDM4OAZVS7AMWZHR · pith_short_8: DDM4OAZV

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/DDM4OAZVS7AMWZHRBI3HRKC5TO \
  | 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: 18d9c7033597c0cb64f10a3678a85d9baaccc64f9e9744b9f3fb7bc535fd69af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95cab35ebf2d3193936200c4f79245695617d33dea27ec1a2a52bfc562fdf347",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2023-10-06T12:56:58Z",
    "title_canon_sha256": "d530aa5c252d0ab5dba8959481bcf5741acecb92ff6a7b4ead0e9fac96d731cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.04211",
    "kind": "arxiv",
    "version": 2
  }
}