Pith Number

pith:757MMRSB

pith:2006:757MMRSBCI3P7UJQLRGBWG5426

not attested not anchored not stored refs pending

Geometric obstruction of black holes

Frederic P. Schuller, Mattias N. R. Wohlfarth, Raffaele Punzi

arxiv:gr-qc/0605017 v1 · 2006-05-02 · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T02:37:27.223157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff7ec646411236ffd1305c4c1b1bbcd79eeee9a3875a029ec7507a61a87c3de5

Aliases

arxiv: gr-qc/0605017 · arxiv_version: gr-qc/0605017v1 · doi: 10.48550/arxiv.gr-qc/0605017 · pith_short_12: 757MMRSBCI3P · pith_short_16: 757MMRSBCI3P7UJQ · pith_short_8: 757MMRSB

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/757MMRSBCI3P7UJQLRGBWG5426 \
  | 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: ff7ec646411236ffd1305c4c1b1bbcd79eeee9a3875a029ec7507a61a87c3de5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b173149ea60c9ec8f6f4bc8fdbb2253f5049fb9d7561437e9709964e0faf2536",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-05-02T16:16:56Z",
    "title_canon_sha256": "fbb5de92470a5283e520d74b0970d490c720e1ed83eefdd97e95f5c2c5229469"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0605017",
    "kind": "arxiv",
    "version": 1
  }
}