Pith Number

pith:QMA27HUN

pith:2012:QMA27HUNNUKYIC4I5XDATS3B7N

not attested not anchored not stored refs pending

Lifespan theorem for simple constrained surface diffusion flows

Glen Wheeler

arxiv:1201.6574 v3 · 2012-01-31 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMA27HUNNUKYIC4I5XDATS3B7N}

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	2026-05-18T03:31:30.883262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8301af9e8d6d15840b88edc609cb61fb601003b987ec821ab7e26b51b4419479

Aliases

arxiv: 1201.6574 · arxiv_version: 1201.6574v3 · doi: 10.48550/arxiv.1201.6574 · pith_short_12: QMA27HUNNUKY · pith_short_16: QMA27HUNNUKYIC4I · pith_short_8: QMA27HUN

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/QMA27HUNNUKYIC4I5XDATS3B7N \
  | 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: 8301af9e8d6d15840b88edc609cb61fb601003b987ec821ab7e26b51b4419479

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5833e5e9d854985be95847ec4dcc5f94d1da14b6679f361b6ac80b2531fdb005",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-01-31T15:26:06Z",
    "title_canon_sha256": "4b3124d480dd15ec9457312d0e4fffc69e1c0cc96faaddde671583f35a170743"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6574",
    "kind": "arxiv",
    "version": 3
  }
}