Pith Number

pith:PCDQKMTE

pith:2009:PCDQKMTEO6RQ63E4QK26OFRAD4

not attested not anchored not stored refs pending

Small deformations of extreme Kerr black hole initial data

Mar\'ia E. Gabach Cl\'ement, Sergio Dain

arxiv:1001.0178 v1 · 2009-12-31 · 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{PCDQKMTEO6RQ63E4QK26OFRAD4}

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	2026-05-18T04:27:36.281376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

788705326477a30f6c9c82b5e716201f2ccd8e733f15d33ac3d3f08f4f91e31b

Aliases

arxiv: 1001.0178 · arxiv_version: 1001.0178v1 · doi: 10.48550/arxiv.1001.0178 · pith_short_12: PCDQKMTEO6RQ · pith_short_16: PCDQKMTEO6RQ63E4 · pith_short_8: PCDQKMTE

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/PCDQKMTEO6RQ63E4QK26OFRAD4 \
  | 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: 788705326477a30f6c9c82b5e716201f2ccd8e733f15d33ac3d3f08f4f91e31b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ba7de612af9e1ea7d42bc6e7fe0c4f0694b6d8b48b9c3a9825f064557b2ff7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-12-31T20:51:13Z",
    "title_canon_sha256": "32117fc8aa929e5ce6b14c9126cb88e94bd56e5a49339cab2602bd473e08bfdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.0178",
    "kind": "arxiv",
    "version": 1
  }
}