Pith Number

pith:EC4SBQCS

pith:2015:EC4SBQCSC5ZJZIGTTKZMP7Q666

not attested not anchored not stored refs pending

Robinson--Trautman solution with nonlinear electrodynamics

O. Svitek, T. Tahamtan

arxiv:1510.01183 v3 · 2015-10-05 · 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{EC4SBQCSC5ZJZIGTTKZMP7Q666}

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	2026-05-18T01:07:56.994763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b920c05217729ca0d39ab2c7fe1ef7a4db95e402d53eedccb6667624fd9a65

Aliases

arxiv: 1510.01183 · arxiv_version: 1510.01183v3 · doi: 10.48550/arxiv.1510.01183 · pith_short_12: EC4SBQCSC5ZJ · pith_short_16: EC4SBQCSC5ZJZIGT · pith_short_8: EC4SBQCS

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/EC4SBQCSC5ZJZIGTTKZMP7Q666 \
  | 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: 20b920c05217729ca0d39ab2c7fe1ef7a4db95e402d53eedccb6667624fd9a65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a1fc926a8c9c58f3974b0142ae77205860ced1e23680c480afcad4e3de738e0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-10-05T15:16:05Z",
    "title_canon_sha256": "9bdcc3ab797ecec2fbae6416e3b6240dcfae3c013b02e4ee53eeda0a8439c70c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01183",
    "kind": "arxiv",
    "version": 3
  }
}