Pith Number

pith:RASIG24G

pith:2026:RASIG24G73KDEVLAVSXKIOX4VS

not attested not anchored not stored refs pending

Numerical analysis of the Biot equations coupled to frictional contact mechanics

Eirik Keilegavlen, Inga Berre, Jakub Wiktor Both, Kundan Kumar, Marius Nevland

arxiv:2607.02030 v1 · 2026-07-02 · math.NA · cs.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{RASIG24G73KDEVLAVSXKIOX4VS}

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	2026-07-03T01:17:37.522489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8824836b86fed4325560acaea43afcaca08a0ddbf9866e35ca3aaa0cf8e7396e

Aliases

arxiv: 2607.02030 · arxiv_version: 2607.02030v1 · doi: 10.48550/arxiv.2607.02030 · pith_short_12: RASIG24G73KD · pith_short_16: RASIG24G73KDEVLA · pith_short_8: RASIG24G

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/RASIG24G73KDEVLAVSXKIOX4VS \
  | 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: 8824836b86fed4325560acaea43afcaca08a0ddbf9866e35ca3aaa0cf8e7396e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8837407b72f904bdd661b6a204525ca60d76b94867bf57eb9df019954952d1d1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-02T10:56:49Z",
    "title_canon_sha256": "2bcecacca4b620dc6486acb43cc501f3e77f7cf64eb4cce4ea40a9f5b21dac60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02030",
    "kind": "arxiv",
    "version": 1
  }
}