Pith Number

pith:WJKRD2X2

pith:2012:WJKRD2X2D3JWYPQB6E6CKD6GFL

not attested not anchored not stored refs pending

A classification of spherically symmetric spacetimes

Aidan J. Keane, Brian O. J. Tupper, Jaume Carot

arxiv:1206.6508 v1 · 2012-06-27 · 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{WJKRD2X2D3JWYPQB6E6CKD6GFL}

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	2026-05-18T01:56:41.117048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b25511eafa1ed36c3e01f13c250fc62ad91e30c0435b53b29a56e1d161af8eae

Aliases

arxiv: 1206.6508 · arxiv_version: 1206.6508v1 · doi: 10.48550/arxiv.1206.6508 · pith_short_12: WJKRD2X2D3JW · pith_short_16: WJKRD2X2D3JWYPQB · pith_short_8: WJKRD2X2

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/WJKRD2X2D3JWYPQB6E6CKD6GFL \
  | 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: b25511eafa1ed36c3e01f13c250fc62ad91e30c0435b53b29a56e1d161af8eae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7cbda6afc579e760b8ec3a7014c388662cfa2abdabc8d0eb27f232d9664ae80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-06-27T20:05:58Z",
    "title_canon_sha256": "07edeba4bc5e96d84fc4f242654465429d0b262ad12a93955b1c989b284557b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6508",
    "kind": "arxiv",
    "version": 1
  }
}