Pith Number

pith:JOK3HAEF

pith:2013:JOK3HAEFVQM2MUA6OUUXDODVND

not attested not anchored not stored refs pending

Effective Gravity and Homogeneous Solutions

Daniel M\"uller

arxiv:1307.8438 v2 · 2013-07-31 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JOK3HAEFVQM2MUA6OUUXDODVND}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:16:59.815815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b95b38085ac19a6501e752971b87568ff3f1aa24cc6d20ef1edc96c0c2ca9a6

Aliases

arxiv: 1307.8438 · arxiv_version: 1307.8438v2 · doi: 10.48550/arxiv.1307.8438 · pith_short_12: JOK3HAEFVQM2 · pith_short_16: JOK3HAEFVQM2MUA6 · pith_short_8: JOK3HAEF

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/JOK3HAEFVQM2MUA6OUUXDODVND \
  | 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: 4b95b38085ac19a6501e752971b87568ff3f1aa24cc6d20ef1edc96c0c2ca9a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6f90b1c895cf62ef72b3b102dbed428cc188fb6c3aff3ced7f40d8f97bdfb23",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-07-31T19:40:23Z",
    "title_canon_sha256": "a1588b4184478a8af03c53722960d100526369158125d6e79de9f2f08c41446a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8438",
    "kind": "arxiv",
    "version": 2
  }
}