Pith Number

pith:QPDK6PDU

pith:2012:QPDK6PDULLUOTIWJ6NGRY7OEQC

not attested not anchored not stored refs pending

Lifespan theorem for constrained surface diffusion flows

Glen Wheeler, Graham Williams, James McCoy

arxiv:1205.5862 v1 · 2012-05-26 · math.DG · math.AP

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	2026-05-18T03:54:49.774695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83c6af3c745ae8e9a2c9f34d1c7dc4808c5abfbf5162f477fa9077b9a3697f66

Aliases

arxiv: 1205.5862 · arxiv_version: 1205.5862v1 · doi: 10.48550/arxiv.1205.5862 · pith_short_12: QPDK6PDULLUO · pith_short_16: QPDK6PDULLUOTIWJ · pith_short_8: QPDK6PDU

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/QPDK6PDULLUOTIWJ6NGRY7OEQC \
  | 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: 83c6af3c745ae8e9a2c9f34d1c7dc4808c5abfbf5162f477fa9077b9a3697f66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6805acdbebc3ce476ff743bc43c29d5f1061bd7df276bb92184dc7a74a0a821c",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-05-26T08:33:59Z",
    "title_canon_sha256": "b317f4c21f75ebb22f02a75bc441e04d99c9a08b49cfa1af0046befb3047f1ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5862",
    "kind": "arxiv",
    "version": 1
  }
}