Pith Number

pith:XYUFW3AR

pith:2013:XYUFW3ARUIIAZYRTWTYESM4NGH

not attested not anchored not stored refs pending

Covariant equations of motion for test bodies in gravitational theories with general nonminimal coupling

Dirk Puetzfeld, Yuri N. Obukhov

arxiv:1301.4341 v2 · 2013-01-18 · gr-qc · astro-ph.CO · 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{XYUFW3ARUIIAZYRTWTYESM4NGH}

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	2026-05-18T03:32:04.825875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be285b6c11a2100ce233b4f049338d31c9a4173a5c27b8412103ee22ac5680ea

Aliases

arxiv: 1301.4341 · arxiv_version: 1301.4341v2 · doi: 10.48550/arxiv.1301.4341 · pith_short_12: XYUFW3ARUIIA · pith_short_16: XYUFW3ARUIIAZYRT · pith_short_8: XYUFW3AR

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/XYUFW3ARUIIAZYRTWTYESM4NGH \
  | 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: be285b6c11a2100ce233b4f049338d31c9a4173a5c27b8412103ee22ac5680ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f05914e92a4b6c168897a72f1d4b9e11ccea52d9f8a8272b665967f9fa2365e5",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-18T10:20:13Z",
    "title_canon_sha256": "5d1520121c450db0b95368bebf8f63cea9e1728496ebff75f5b563085042bb11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4341",
    "kind": "arxiv",
    "version": 2
  }
}