Pith Number

pith:KKIAG4DS

pith:2016:KKIAG4DSU466TVSYRSZMWHBJIN

not attested not anchored not stored refs pending

Augmented Lagrangian finite element methods for contact problems

Erik Burman, Mats Larson, Peter Hansbo

arxiv:1609.03326 v1 · 2016-09-12 · 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{KKIAG4DSU466TVSYRSZMWHBJIN}

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	2026-05-18T01:04:47.206746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5290037072a73de9d6588cb2cb1c2943635ded44200b073263217e4b9191814d

Aliases

arxiv: 1609.03326 · arxiv_version: 1609.03326v1 · doi: 10.48550/arxiv.1609.03326 · pith_short_12: KKIAG4DSU466 · pith_short_16: KKIAG4DSU466TVSY · pith_short_8: KKIAG4DS

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/KKIAG4DSU466TVSYRSZMWHBJIN \
  | 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: 5290037072a73de9d6588cb2cb1c2943635ded44200b073263217e4b9191814d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fedbd71e48620321128e41c22421c37f8fefdc97755ab28aee3caeec15aaf58d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-09-12T09:51:31Z",
    "title_canon_sha256": "05e5087c806e538906af17b3cce00e21d0e523b0f9dfb28fb8952bb46a393e36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03326",
    "kind": "arxiv",
    "version": 1
  }
}