Pith Number

pith:S4YKEQMO

pith:2013:S4YKEQMOK2LQQYVJHYQ77FWVCX

not attested not anchored not stored refs pending

Self-accelerating cosmologies and hairy black holes in ghost-free bigravity and massive gravity

Mikhail S. Volkov

arxiv:1304.0238 v2 · 2013-03-31 · hep-th · 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{S4YKEQMOK2LQQYVJHYQ77FWVCX}

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	2026-05-18T01:50:50.666192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9730a2418e56970862a93e21ff96d515e78e0aba9e54604c292490918cc8b545

Aliases

arxiv: 1304.0238 · arxiv_version: 1304.0238v2 · doi: 10.48550/arxiv.1304.0238 · pith_short_12: S4YKEQMOK2LQ · pith_short_16: S4YKEQMOK2LQQYVJ · pith_short_8: S4YKEQMO

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/S4YKEQMOK2LQQYVJHYQ77FWVCX \
  | 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: 9730a2418e56970862a93e21ff96d515e78e0aba9e54604c292490918cc8b545

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ea1a94523a7c5489be26b7ef4207bbfaf0ef05d4544dc30900fafeb0c07ac06",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-03-31T18:04:08Z",
    "title_canon_sha256": "4e4b5a0fb30fe5bf3f40e57c3b1121c3f7b52a73967d39dcf6d96a3703cf4787"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0238",
    "kind": "arxiv",
    "version": 2
  }
}