Pith Number

pith:QRCQRJE3

pith:2003:QRCQRJE3NUDKD7RAUEGTL6TIIU

not attested not anchored not stored refs pending

Brane-world gravity

Roy Maartens (Portsmouth)

arxiv:gr-qc/0312059 v2 · 2003-12-10 · gr-qc · astro-ph · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRCQRJE3NUDKD7RAUEGTL6TIIU}

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	2026-05-18T01:01:58.388775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

844508a49b6d06a1fe20a10d35fa68450e8cdb3233737fd5af5b15c564895e41

Aliases

arxiv: gr-qc/0312059 · arxiv_version: gr-qc/0312059v2 · doi: 10.48550/arxiv.gr-qc/0312059 · pith_short_12: QRCQRJE3NUDK · pith_short_16: QRCQRJE3NUDKD7RA · pith_short_8: QRCQRJE3

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/QRCQRJE3NUDKD7RAUEGTL6TIIU \
  | 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: 844508a49b6d06a1fe20a10d35fa68450e8cdb3233737fd5af5b15c564895e41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0171597cec324001f3e7986b39508a2c9afe0b07059addf925c0c4ef5502efdd",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2003-12-10T15:55:27Z",
    "title_canon_sha256": "a2506427fdc3d5498c0cb2896ad35d3846f8d37c0781c5ebbec9a21f922f1970"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0312059",
    "kind": "arxiv",
    "version": 2
  }
}