Pith Number

pith:EUMVWUVH

pith:2018:EUMVWUVHGHMPQHURZZJHD7B3M3

not attested not anchored not stored refs pending

First integrals in the Brans-Dicke cosmology

Andrzej Woszczyna, Lukasz Bratek, Zdzislaw A. Golda

arxiv:1901.00388 v1 · 2018-12-31 · gr-qc · nlin.SI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EUMVWUVHGHMPQHURZZJHD7B3M3}

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	2026-05-17T23:57:04.004754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25195b52a731d8f81e91ce5271fc3b66e84a26140472d8f5fc1ce77b81e69915

Aliases

arxiv: 1901.00388 · arxiv_version: 1901.00388v1 · doi: 10.48550/arxiv.1901.00388 · pith_short_12: EUMVWUVHGHMP · pith_short_16: EUMVWUVHGHMPQHUR · pith_short_8: EUMVWUVH

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/EUMVWUVHGHMPQHURZZJHD7B3M3 \
  | 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: 25195b52a731d8f81e91ce5271fc3b66e84a26140472d8f5fc1ce77b81e69915

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "325ed9c05951db3cbcea37ca0ec909bd1ccfdb41f41efb6bab71847fc83856f5",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-12-31T18:41:34Z",
    "title_canon_sha256": "09deab0b3c958962969485d1007c17f08817d114d4866a58392e575adb2867ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00388",
    "kind": "arxiv",
    "version": 1
  }
}