Pith Number

pith:RCVGFRTH

pith:2013:RCVGFRTHAJ5PIMD4NUALXTHVON

not attested not anchored not stored refs pending

Nonommutative wormholes in $f(R)$ gravity

Farook Rahaman, Mubasher Jamil, Nasr Ahmed, P.K.F. Kuhfittig, Ratbay Myrzakulov, Umar F Mondal

arxiv:1304.2240 v2 · 2013-03-23 · 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{RCVGFRTHAJ5PIMD4NUALXTHVON}

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	2026-05-18T02:39:48.781023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88aa62c667027af4307c6d00bbccf573601a486e44c02893444934d354af5899

Aliases

arxiv: 1304.2240 · arxiv_version: 1304.2240v2 · doi: 10.48550/arxiv.1304.2240 · pith_short_12: RCVGFRTHAJ5P · pith_short_16: RCVGFRTHAJ5PIMD4 · pith_short_8: RCVGFRTH

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/RCVGFRTHAJ5PIMD4NUALXTHVON \
  | 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: 88aa62c667027af4307c6d00bbccf573601a486e44c02893444934d354af5899

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31ffa7acdb877a8cf353921f2ad6599553bed03cad41c7026e08540bee3ee1e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-23T09:09:18Z",
    "title_canon_sha256": "20d03d3bb2a892b2b935ddaa1244d7fec83ab526413a99c564060ae0732a623b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2240",
    "kind": "arxiv",
    "version": 2
  }
}