Pith Number

pith:3JPIXBPZ

pith:2018:3JPIXBPZB4DIRRGAR3GPIPND2U

not attested not anchored not stored refs pending

New definition of complexity for self-gravitating fluid distributions: The spherically symmetric, static case

L. Herrera

arxiv:1801.08358 v2 · 2018-01-25 · gr-qc · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3JPIXBPZB4DIRRGAR3GPIPND2U}

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	2026-05-18T00:21:06.423634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da5e8b85f90f0688c4c08eccf43da3d517d9027448b827bf627d776ae2514a99

Aliases

arxiv: 1801.08358 · arxiv_version: 1801.08358v2 · doi: 10.48550/arxiv.1801.08358 · pith_short_12: 3JPIXBPZB4DI · pith_short_16: 3JPIXBPZB4DIRRGA · pith_short_8: 3JPIXBPZ

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/3JPIXBPZB4DIRRGAR3GPIPND2U \
  | 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: da5e8b85f90f0688c4c08eccf43da3d517d9027448b827bf627d776ae2514a99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44b8aea179befbcd5ad4aaf125991017907cbfe622ae31c6e4b5764a3d675044",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-01-25T11:23:55Z",
    "title_canon_sha256": "89adcb4d96c77bae1b5e74511ac1197edc77be6502da4d30e0a08f64ce1f01aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08358",
    "kind": "arxiv",
    "version": 2
  }
}