Pith Number

pith:GM5AHU3D

pith:2014:GM5AHU3DVJ4JU2YJFKECSVFR2N

not attested not anchored not stored refs pending

Generalized GHY term for f(R) Gravity

Ahmed Alhamzawi, Rahim Alhamzawi

arxiv:1405.2189 v2 · 2014-05-09 · 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{GM5AHU3DVJ4JU2YJFKECSVFR2N}

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	2026-05-18T02:52:05.722721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

333a03d363aa789a6b092a882954b1d35ff6bde64d7ef1b4ce5037caaef03a95

Aliases

arxiv: 1405.2189 · arxiv_version: 1405.2189v2 · doi: 10.48550/arxiv.1405.2189 · pith_short_12: GM5AHU3DVJ4J · pith_short_16: GM5AHU3DVJ4JU2YJ · pith_short_8: GM5AHU3D

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/GM5AHU3DVJ4JU2YJFKECSVFR2N \
  | 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: 333a03d363aa789a6b092a882954b1d35ff6bde64d7ef1b4ce5037caaef03a95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "447226472d27a8bd07cabb9d5fdb6a2892932d88b32cb1b0eaddefb17756d6f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-05-09T09:44:05Z",
    "title_canon_sha256": "2c31767d88091b520e76f9dec82c829ac09128063653f252661a2255dd67804b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2189",
    "kind": "arxiv",
    "version": 2
  }
}