Pith Number

pith:7LKFFS3I

pith:2015:7LKFFS3IVEKDNCFEXG3A7PILOF

not attested not anchored not stored refs pending

A Nested Variational Time Discretization for Parametric Anisotropic Willmore Flow

Martin Rumpf, Paola Pozzi, Ricardo Perl

arxiv:1503.06971 v1 · 2015-03-24 · 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{7LKFFS3IVEKDNCFEXG3A7PILOF}

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	2026-05-18T02:20:29.652901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fad452cb68a9143688a4b9b60fbd0b715c6172e96bb78a792866d3f27e76a16b

Aliases

arxiv: 1503.06971 · arxiv_version: 1503.06971v1 · doi: 10.48550/arxiv.1503.06971 · pith_short_12: 7LKFFS3IVEKD · pith_short_16: 7LKFFS3IVEKDNCFE · pith_short_8: 7LKFFS3I

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/7LKFFS3IVEKDNCFEXG3A7PILOF \
  | 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: fad452cb68a9143688a4b9b60fbd0b715c6172e96bb78a792866d3f27e76a16b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74e1cf01dccfa7573002e3309305ec991e926d53f8c91d3e20c97fb72d1c51a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-03-24T10:07:01Z",
    "title_canon_sha256": "6ab32eb91498da66c44a0180370c5f560bc1ed0cd542b27549b4862a5ce49043"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06971",
    "kind": "arxiv",
    "version": 1
  }
}