Pith Number

pith:PHMTZYE5

pith:2012:PHMTZYE5ZBL6A2CEOKRTPV257I

not attested not anchored not stored refs pending

Motion by Volume Preserving Mean Curvature Flow Near Cylinders

David Hartley

arxiv:1205.0339 v2 · 2012-05-02 · math.AP · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHMTZYE5ZBL6A2CEOKRTPV257I}

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	2026-05-18T03:45:20.979281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79d93ce09dc857e0684472a337d75dfa38aca94c92c8a489ca2f4fe9ddbd13c3

Aliases

arxiv: 1205.0339 · arxiv_version: 1205.0339v2 · doi: 10.48550/arxiv.1205.0339 · pith_short_12: PHMTZYE5ZBL6 · pith_short_16: PHMTZYE5ZBL6A2CE · pith_short_8: PHMTZYE5

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/PHMTZYE5ZBL6A2CEOKRTPV257I \
  | 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: 79d93ce09dc857e0684472a337d75dfa38aca94c92c8a489ca2f4fe9ddbd13c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72beb26fcaf0d3c7ce51ef4863646227a3097603e61103e31d3c0826dce24ad4",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-05-02T07:09:30Z",
    "title_canon_sha256": "861b66f42da29445933738cf16a92290fb65ece7d4d004e30d7f4b15dd6d117c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0339",
    "kind": "arxiv",
    "version": 2
  }
}