Pith Number

pith:CDKAL73U

pith:2013:CDKAL73U4IMHIDIIFP2SLNLZ4K

not attested not anchored not stored refs pending

Stabilized lowest order finite element approximation for linear three-field poroelasticity

David Kay, Lorenz Berger, Rafel Bordas, Simon Tavener

arxiv:1312.2607 v3 · 2013-12-09 · 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{CDKAL73U4IMHIDIIFP2SLNLZ4K}

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	2026-05-18T01:04:06.064415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10d405ff74e218740d082bf525b579e29414fc2bd265b87f6beefd7c4c31b3a5

Aliases

arxiv: 1312.2607 · arxiv_version: 1312.2607v3 · doi: 10.48550/arxiv.1312.2607 · pith_short_12: CDKAL73U4IMH · pith_short_16: CDKAL73U4IMHIDII · pith_short_8: CDKAL73U

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/CDKAL73U4IMHIDIIFP2SLNLZ4K \
  | 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: 10d405ff74e218740d082bf525b579e29414fc2bd265b87f6beefd7c4c31b3a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23b12d098b1552da73a955878141aa833e74d94829a6f3a3e5170f07f53e74cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-12-09T21:30:27Z",
    "title_canon_sha256": "b483fd84091b4606830b53829093b11b3999e9d3bc80aa4d9310dc1818687278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2607",
    "kind": "arxiv",
    "version": 3
  }
}