Pith Number

pith:WIEC5PF6

pith:2007:WIEC5PF6GJWVFTIIZOMM5PJYKM

not attested not anchored not stored refs pending

Cosmic acceleration from second order gauge gravity

C. A. M. de Melo, L. G. Medeiros, P. J. Pompeia, R. R. Cuzinatto

arxiv:0712.3062 v3 · 2007-12-18 · gr-qc · astro-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{WIEC5PF6GJWVFTIIZOMM5PJYKM}

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	2026-05-18T04:29:54.219386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2082ebcbe326d52cd08cb98cebd38531584781380defe4fe8698416a38180b0

Aliases

arxiv: 0712.3062 · arxiv_version: 0712.3062v3 · doi: 10.48550/arxiv.0712.3062 · pith_short_12: WIEC5PF6GJWV · pith_short_16: WIEC5PF6GJWVFTII · pith_short_8: WIEC5PF6

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/WIEC5PF6GJWVFTIIZOMM5PJYKM \
  | 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: b2082ebcbe326d52cd08cb98cebd38531584781380defe4fe8698416a38180b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b92a16a90859d9af78db0a7543599d04f85791794da24d4f3bff167d8a7d32d",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-12-18T21:49:40Z",
    "title_canon_sha256": "7196bc73598e7a5f5e255ffac9f022aca7b30a980b25414825543f9a655408d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.3062",
    "kind": "arxiv",
    "version": 3
  }
}