Pith Number

pith:US4SAXYU

pith:2021:US4SAXYUUMQ3U7J6WHM3BN7AOT

not attested not anchored not stored refs pending

Anisotropic cosmological models in Horndeski gravity

Alexei A. Starobinsky, Mikhail S. Volkov, Rafkat Galeev, Ruslan Muharlyamov, Sergey V. Sushkov

arxiv:2102.10981 v2 · 2021-02-22 · gr-qc · 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{US4SAXYUUMQ3U7J6WHM3BN7AOT}

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	2026-07-05T02:41:15.396818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4b9205f14a321ba7d3eb1d9b0b7e074f4278ee71d7d9c2cbb92a92bbb846798

Aliases

arxiv: 2102.10981 · arxiv_version: 2102.10981v2 · doi: 10.48550/arxiv.2102.10981 · pith_short_12: US4SAXYUUMQ3 · pith_short_16: US4SAXYUUMQ3U7J6 · pith_short_8: US4SAXYU

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/US4SAXYUUMQ3U7J6WHM3BN7AOT \
  | 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: a4b9205f14a321ba7d3eb1d9b0b7e074f4278ee71d7d9c2cbb92a92bbb846798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f74b23994382bbddfc54d782b3c561395394d02657abce648a49f345194e8428",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-02-22T13:32:58Z",
    "title_canon_sha256": "144a4d71a192d3a0887eeb539542c284720e80e564d509b8b8f14216ff9fefe6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.10981",
    "kind": "arxiv",
    "version": 2
  }
}