Pith Number

pith:HG74SDH7

pith:2012:HG74SDH74ROKOSAD5W35RE6RAC

not attested not anchored not stored refs pending

A cosmological dust model with extended f(chi) gravity

D. A. Carranza, L. A. Torres, S. Mendoza

arxiv:1208.2502 v2 · 2012-08-13 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HG74SDH74ROKOSAD5W35RE6RAC}

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	2026-05-18T01:55:16.506116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39bfc90cffe45ca74803edb7d893d1009f8ac1cf2a58e4733e9838122962adfe

Aliases

arxiv: 1208.2502 · arxiv_version: 1208.2502v2 · doi: 10.48550/arxiv.1208.2502 · pith_short_12: HG74SDH74ROK · pith_short_16: HG74SDH74ROKOSAD · pith_short_8: HG74SDH7

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/HG74SDH74ROKOSAD5W35RE6RAC \
  | 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: 39bfc90cffe45ca74803edb7d893d1009f8ac1cf2a58e4733e9838122962adfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50928deea812c20626a5392080d60ee52e7a41940b24f4936bb8535774e94138",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-13T05:56:22Z",
    "title_canon_sha256": "1339d0f5df693022d0e60ca27fa81e4c40526e874c22fd6c32e7d387cd341c71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2502",
    "kind": "arxiv",
    "version": 2
  }
}