Pith Number

pith:A37JYFQ3

pith:2018:A37JYFQ37CUORUTUWNUBGK6PIX

not attested not anchored not stored refs pending

Optimization of the porous material described by the Biot model

Daniel H\"ubner, Eduard Rohan, Michael Stingl, Vladim\'ir Luke\v{s}

arxiv:1802.00581 v1 · 2018-02-02 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A37JYFQ37CUORUTUWNUBGK6PIX}

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	2026-05-17T23:59:33.039092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06fe9c161bf8a8e8d274b368132bcf45fad1da8710407d52b2570a19021528ff

Aliases

arxiv: 1802.00581 · arxiv_version: 1802.00581v1 · doi: 10.48550/arxiv.1802.00581 · pith_short_12: A37JYFQ37CUO · pith_short_16: A37JYFQ37CUORUTU · pith_short_8: A37JYFQ3

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/A37JYFQ37CUORUTUWNUBGK6PIX \
  | 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: 06fe9c161bf8a8e8d274b368132bcf45fad1da8710407d52b2570a19021528ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f001851b8c8f3572fae9f4df71748386f769616b212410696e56ba88df4d2fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-02-02T07:04:57Z",
    "title_canon_sha256": "8d4559d66ae8a96e808ff5765a12967d359b4354bc912ccff7d62d8afc3fbd7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00581",
    "kind": "arxiv",
    "version": 1
  }
}