Pith Number

pith:U3O5YJVC

pith:2013:U3O5YJVCTRWMEGD3URDN4TMHPR

not attested not anchored not stored refs pending

Phase-field approximations of the Willmore functional and flow

Edouard Oudet (LJK), Elie Bretin (ICJ), Simon Masnou (ICJ)

arxiv:1305.5435 v1 · 2013-05-23 · math.OC · math.AP · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3O5YJVCTRWMEGD3URDN4TMHPR}

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	2026-05-18T03:25:04.767846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6dddc26a29c6cc2187ba446de4d877c71aec041b92b8832cf5df058c96c397e

Aliases

arxiv: 1305.5435 · arxiv_version: 1305.5435v1 · doi: 10.48550/arxiv.1305.5435 · pith_short_12: U3O5YJVCTRWM · pith_short_16: U3O5YJVCTRWMEGD3 · pith_short_8: U3O5YJVC

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/U3O5YJVCTRWMEGD3URDN4TMHPR \
  | 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: a6dddc26a29c6cc2187ba446de4d877c71aec041b92b8832cf5df058c96c397e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a037973f0d27a6c251942958543ac0fe810c30045743790c44defc94b65382c5",
    "cross_cats_sorted": [
      "math.AP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-05-23T14:36:31Z",
    "title_canon_sha256": "f0361727c0b1bc3e98b9dc880d92696fad3da1f695c7516125d6a8a7b0966330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5435",
    "kind": "arxiv",
    "version": 1
  }
}