Pith Number

pith:AE4GEDHY

pith:2011:AE4GEDHYIF6U2PVDBM7D4BJMWG

not attested not anchored not stored refs pending

Non-collapsing in fully nonlinear curvature flows

Ben Andrews, James McCoy, Mat Langford

arxiv:1109.2200 v1 · 2011-09-10 · 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{AE4GEDHYIF6U2PVDBM7D4BJMWG}

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	2026-05-18T04:13:38.321417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0138620cf8417d4d3ea30b3e3e052cb18670fdf10b93f5c28bb9b6171ae18eda

Aliases

arxiv: 1109.2200 · arxiv_version: 1109.2200v1 · doi: 10.48550/arxiv.1109.2200 · pith_short_12: AE4GEDHYIF6U · pith_short_16: AE4GEDHYIF6U2PVD · pith_short_8: AE4GEDHY

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/AE4GEDHYIF6U2PVDBM7D4BJMWG \
  | 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: 0138620cf8417d4d3ea30b3e3e052cb18670fdf10b93f5c28bb9b6171ae18eda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c5b16519f3e11c9671d7dd4448d7467bd1ef1ae5f7293a364e9d376275ddfc2",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-09-10T08:05:05Z",
    "title_canon_sha256": "43561491ca7c2db85ca28a6d2fd254e766d98e646e033773b679f701cc98ccb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2200",
    "kind": "arxiv",
    "version": 1
  }
}