Pith Number

pith:JK6BAFWS

pith:2011:JK6BAFWSWPMPODHWR6UYKLSJI4

not attested not anchored not stored refs pending

Isotropic extensions of the vacuum solutions in general relativity

C. Molina, Pedro F. Gonz\'alez-D\'iaz, Prado Mart\'in-Moruno

arxiv:1107.4627 v2 · 2011-07-22 · 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{JK6BAFWSWPMPODHWR6UYKLSJI4}

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	2026-05-18T03:54:27.748166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4abc1016d2b3d8f70cf68fa9852e494721d1de267338317b08c57bc3b11d4968

Aliases

arxiv: 1107.4627 · arxiv_version: 1107.4627v2 · doi: 10.48550/arxiv.1107.4627 · pith_short_12: JK6BAFWSWPMP · pith_short_16: JK6BAFWSWPMPODHW · pith_short_8: JK6BAFWS

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/JK6BAFWSWPMPODHWR6UYKLSJI4 \
  | 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: 4abc1016d2b3d8f70cf68fa9852e494721d1de267338317b08c57bc3b11d4968

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f00b4001878791d55f43da908f11aebdaca963c84342543991f4a5ac825dd815",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-07-22T20:51:09Z",
    "title_canon_sha256": "3b7f1d19eec92cc33027487a28d4603e3679f1b53ca1fb0998e543d5f8db5ac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4627",
    "kind": "arxiv",
    "version": 2
  }
}