Pith Number

pith:XM2FCNBL

pith:2015:XM2FCNBLPA7OACGCU4B56OULKN

not attested not anchored not stored refs pending

Mechanics-based solution verification for porous media models

K. B. Nakshatrala, M. Shabouei

arxiv:1501.02581 v2 · 2015-01-12 · cs.NA · 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{XM2FCNBLPA7OACGCU4B56OULKN}

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	2026-05-18T00:57:18.596802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb3451342b783ee008c2a703df3a8b536a638c49a18f0c61bdeb900ceb0df552

Aliases

arxiv: 1501.02581 · arxiv_version: 1501.02581v2 · doi: 10.48550/arxiv.1501.02581 · pith_short_12: XM2FCNBLPA7O · pith_short_16: XM2FCNBLPA7OACGC · pith_short_8: XM2FCNBL

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/XM2FCNBLPA7OACGCU4B56OULKN \
  | 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: bb3451342b783ee008c2a703df3a8b536a638c49a18f0c61bdeb900ceb0df552

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "189b0ff2a05ff21f5e5a6b1006e22b73a6c325370798b943ba072110dd93f5ce",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2015-01-12T09:41:43Z",
    "title_canon_sha256": "e4159d29822973680b78191393151526859dbe1e2e19c8da6cc98fc60f903558"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02581",
    "kind": "arxiv",
    "version": 2
  }
}