Pith Number

pith:JZR56F5X

pith:2013:JZR56F5X4MMVE4C6K6HAISIEOX

not attested not anchored not stored refs pending

Spherically symmetric models: separating expansion from contraction in models with anisotropic pressures

Filipe C. Mena, Jos\'e P. Mimoso, Morgan Le Delliou

arxiv:1302.5750 v1 · 2013-02-23 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JZR56F5X4MMVE4C6K6HAISIEOX}

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	2026-05-18T03:32:44.007531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e63df17b7e31952705e578e04490475c73ac86608fb8aa1b095cf8d152ac973

Aliases

arxiv: 1302.5750 · arxiv_version: 1302.5750v1 · doi: 10.48550/arxiv.1302.5750 · pith_short_12: JZR56F5X4MMV · pith_short_16: JZR56F5X4MMVE4C6 · pith_short_8: JZR56F5X

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/JZR56F5X4MMVE4C6K6HAISIEOX \
  | 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: 4e63df17b7e31952705e578e04490475c73ac86608fb8aa1b095cf8d152ac973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d26036b97bc533bb8b23862bd9fd397531f7bf2e85c910038a27f718d4203f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-23T01:09:00Z",
    "title_canon_sha256": "9809127049f3e2abcdf3ffaf7be9d804e86d1071c12d03671053d9df3fe84a45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5750",
    "kind": "arxiv",
    "version": 1
  }
}