Pith Number

pith:7NRGEJVK

pith:2018:7NRGEJVKJWPXZEYWFMGCSW7BRJ

not attested not anchored not stored refs pending

A CutFEM method for Stefan-Signorini problems with application in pulsed laser ablation

Pierre Kerfriden, Samuel Bigot, Susanne Claus

arxiv:1805.01925 v2 · 2018-05-04 · 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{7NRGEJVKJWPXZEYWFMGCSW7BRJ}

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	2026-05-18T00:08:14.874101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb626226aa4d9f7c93162b0c295be18a5e8286ef03b09204486f9ef9b0c6e6cc

Aliases

arxiv: 1805.01925 · arxiv_version: 1805.01925v2 · doi: 10.48550/arxiv.1805.01925 · pith_short_12: 7NRGEJVKJWPX · pith_short_16: 7NRGEJVKJWPXZEYW · pith_short_8: 7NRGEJVK

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/7NRGEJVKJWPXZEYWFMGCSW7BRJ \
  | 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: fb626226aa4d9f7c93162b0c295be18a5e8286ef03b09204486f9ef9b0c6e6cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c2bb5a1a9c75cde58ea0a5beeb62ae14c01ff643f9d2048af83eb3779251492",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-05-04T19:57:13Z",
    "title_canon_sha256": "4edae3d8ad420a7ab358e5c0c8ec10960617c22624eb26c2df95a866a5eaf7f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01925",
    "kind": "arxiv",
    "version": 2
  }
}