Pith Number

pith:QS4AFMM6

pith:2011:QS4AFMM6B7FTRBKBVV2GQSJBXB

not attested not anchored not stored refs pending

Extended black holes in strong gravitational waves

Li-Ming Cao, Nobuyoshi Ohta, Oleg Evnin

arxiv:1101.4455 v3 · 2011-01-24 · hep-th · 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{QS4AFMM6B7FTRBKBVV2GQSJBXB}

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	2026-05-18T04:23:22.032696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84b802b19e0fcb388541ad74684921b874c11b6007481365cc7a0a22bcbd832f

Aliases

arxiv: 1101.4455 · arxiv_version: 1101.4455v3 · doi: 10.48550/arxiv.1101.4455 · pith_short_12: QS4AFMM6B7FT · pith_short_16: QS4AFMM6B7FTRBKB · pith_short_8: QS4AFMM6

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/QS4AFMM6B7FTRBKBVV2GQSJBXB \
  | 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: 84b802b19e0fcb388541ad74684921b874c11b6007481365cc7a0a22bcbd832f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2b1f94aab511b02342617c1c9ed8923aeef9f6f03960783187bbe9b6c98d24e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-01-24T07:01:01Z",
    "title_canon_sha256": "82655c16870af427140cc0fdb3ce6acccae2183a2528a76c064e3d7a5752283d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4455",
    "kind": "arxiv",
    "version": 3
  }
}