Pith Number

pith:JY4O72MT

pith:2019:JY4O72MTZ6ANNF6ZZXOHXJFSDA

not attested not anchored not stored refs pending

Ancient solutions in Lagrangian mean curvature flow

Ben Lambert, Felix Schulze, Jason D. Lotay

arxiv:1901.05383 v2 · 2019-01-16 · math.DG · math.AP · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JY4O72MTZ6ANNF6ZZXOHXJFSDA}

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	2026-07-05T03:41:00.953843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e38efe993cf80d697d9cddc7ba4b21801ddf4b64681dd2fd1ed1ad39bb0aafe

Aliases

arxiv: 1901.05383 · arxiv_version: 1901.05383v2 · doi: 10.48550/arxiv.1901.05383 · pith_short_12: JY4O72MTZ6AN · pith_short_16: JY4O72MTZ6ANNF6Z · pith_short_8: JY4O72MT

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/JY4O72MTZ6ANNF6ZZXOHXJFSDA \
  | 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: 4e38efe993cf80d697d9cddc7ba4b21801ddf4b64681dd2fd1ed1ad39bb0aafe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82ae29982499ee26b63385669549d001beb7aa768961d0dc55bf4b8c20b069b2",
    "cross_cats_sorted": [
      "math.AP",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-01-16T16:47:27Z",
    "title_canon_sha256": "b9e74cac0c1322a454308725a52fd1e712df7dac7423bf2cf44861a75c827afe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05383",
    "kind": "arxiv",
    "version": 2
  }
}