Pith Number

pith:W3V4L5UU

pith:2011:W3V4L5UUVO4EWPBI56FBIBW7VO

not attested not anchored not stored refs pending

Mean curvature flow in a Ricci flow background

John Lott

arxiv:1105.6081 v3 · 2011-05-30 · 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{W3V4L5UUVO4EWPBI56FBIBW7VO}

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	2026-05-18T02:01:45.968432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6ebc5f694abb84b3c28ef8a1406dfab83d691107d38d3867dc6e3115f0e3cd6

Aliases

arxiv: 1105.6081 · arxiv_version: 1105.6081v3 · doi: 10.48550/arxiv.1105.6081 · pith_short_12: W3V4L5UUVO4E · pith_short_16: W3V4L5UUVO4EWPBI · pith_short_8: W3V4L5UU

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/W3V4L5UUVO4EWPBI56FBIBW7VO \
  | 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: b6ebc5f694abb84b3c28ef8a1406dfab83d691107d38d3867dc6e3115f0e3cd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e984d1141e0c25c80d8ed4369ed3fef657609eadffa042a294c4b506679c105",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-05-30T19:31:17Z",
    "title_canon_sha256": "1a901c83ac389268fdf6ef1bd281a8ea72200969d66216bc58b2ae272af5f09e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.6081",
    "kind": "arxiv",
    "version": 3
  }
}