Pith Number

pith:RCLQV3JL

pith:2013:RCLQV3JLZSF7NAC75TUUJK4WIZ

not attested not anchored not stored refs pending

Extrinsic Ricci Flow on Surfaces of Revolution

David L. Johnson, Jeff Dodd, Vincent Coll

arxiv:1311.0289 v1 · 2013-11-01 · math.DG

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

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	2026-05-18T03:08:06.370092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88970aed2bcc8bf6805fece944ab96464ec01b6a91eddc1a2cbdfbae401a43d0

Aliases

arxiv: 1311.0289 · arxiv_version: 1311.0289v1 · doi: 10.48550/arxiv.1311.0289 · pith_short_12: RCLQV3JLZSF7 · pith_short_16: RCLQV3JLZSF7NAC7 · pith_short_8: RCLQV3JL

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/RCLQV3JLZSF7NAC75TUUJK4WIZ \
  | 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: 88970aed2bcc8bf6805fece944ab96464ec01b6a91eddc1a2cbdfbae401a43d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f77e100a23d97a4f6ed0833b66d1e15aaf27e2e77569c736a2a6d81d8cdada53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-11-01T20:00:31Z",
    "title_canon_sha256": "0ff3923da00479182449844d44ac7fa35d4e2df7f5ad8f1c8188caa843402480"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0289",
    "kind": "arxiv",
    "version": 1
  }
}