Pith Number

pith:ZNBCMLZ7

pith:2006:ZNBCMLZ7TPNY3PLA3CTCGCYT4R

not attested not anchored not stored refs pending

f(R) actions, cosmic acceleration and local tests of gravity

I. Navarro, K. Van Acoleyen

arxiv:gr-qc/0611127 v1 · 2006-11-23 · 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{ZNBCMLZ7TPNY3PLA3CTCGCYT4R}

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	2026-05-18T04:38:36.774011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb42262f3f9bdb8dbd60d8a6230b13e46408155c891959594d320ec4966bb0a9

Aliases

arxiv: gr-qc/0611127 · arxiv_version: gr-qc/0611127v1 · doi: 10.48550/arxiv.gr-qc/0611127 · pith_short_12: ZNBCMLZ7TPNY · pith_short_16: ZNBCMLZ7TPNY3PLA · pith_short_8: ZNBCMLZ7

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/ZNBCMLZ7TPNY3PLA3CTCGCYT4R \
  | 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: cb42262f3f9bdb8dbd60d8a6230b13e46408155c891959594d320ec4966bb0a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eb5f343899da247e945833998e88252b64154d0c6d5f4f594957cad8d7c5e03",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-11-23T19:21:58Z",
    "title_canon_sha256": "f71bd3ee5ca1efaf4ae21d46367e7d6172565e8766d11e120f66aa1329813aae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0611127",
    "kind": "arxiv",
    "version": 1
  }
}