Pith Number

pith:K4RUB47G

pith:2012:K4RUB47GVRQTIJQU4IBUJLFNRT

not attested not anchored not stored refs pending

Colliding Interfaces in Old and New Diffuse-interface Approximations of Willmore-flow

Andreas R\"atz, Matthias R\"oger, Selim Esedo\=glu

arxiv:1209.6531 v2 · 2012-09-28 · 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{K4RUB47GVRQTIJQU4IBUJLFNRT}

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	2026-05-18T03:33:59.585215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

572340f3e6ac61342614e20344acad8cfa47c2aa1b2e0c2b8a82e65f16a131aa

Aliases

arxiv: 1209.6531 · arxiv_version: 1209.6531v2 · doi: 10.48550/arxiv.1209.6531 · pith_short_12: K4RUB47GVRQT · pith_short_16: K4RUB47GVRQTIJQU · pith_short_8: K4RUB47G

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/K4RUB47GVRQTIJQU4IBUJLFNRT \
  | 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: 572340f3e6ac61342614e20344acad8cfa47c2aa1b2e0c2b8a82e65f16a131aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a34cfb52986bf552f11bfcd68b5488f8de8a97dae8fdb5877b2d9f1e1d35457c",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-09-28T14:18:41Z",
    "title_canon_sha256": "63cadb12dff8da9722c2af4c117cef1cd3b52c7a51a2c3dd47f39289acbb4c7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6531",
    "kind": "arxiv",
    "version": 2
  }
}