Pith Number

pith:7F7CDIKT

pith:2015:7F7CDIKT7GEJT5XSJJPF3UTFAU

not attested not anchored not stored refs pending

Robinson-Trautman solution with scalar hair

O. Svitek, T. Tahamtan

arxiv:1503.09080 v2 · 2015-03-31 · 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{7F7CDIKT7GEJT5XSJJPF3UTFAU}

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	2026-05-18T01:36:06.906214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f97e21a153f98899f6f24a5e5dd26505368697cdc29d16b451911587c9f8d422

Aliases

arxiv: 1503.09080 · arxiv_version: 1503.09080v2 · doi: 10.48550/arxiv.1503.09080 · pith_short_12: 7F7CDIKT7GEJ · pith_short_16: 7F7CDIKT7GEJT5XS · pith_short_8: 7F7CDIKT

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/7F7CDIKT7GEJT5XSJJPF3UTFAU \
  | 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: f97e21a153f98899f6f24a5e5dd26505368697cdc29d16b451911587c9f8d422

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d075a87361bc473c66756f0b1a0d0036fa41ae7ea4d871839d37a87096159c49",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-03-31T15:13:53Z",
    "title_canon_sha256": "f6dfcd55f2c4d1450f6be4c33d6af4e392e33d598ad4d2abbf7ba63fb23f58c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.09080",
    "kind": "arxiv",
    "version": 2
  }
}