Pith Number

pith:3JCULUMJ

pith:1993:3JCULUMJL74KYTS64GXXZSVSAF

not attested not anchored not stored refs pending

Exotic Black Holes?

Carl H. Brans

arxiv:gr-qc/9303035 v1 · 1993-03-30 · 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{3JCULUMJL74KYTS64GXXZSVSAF}

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	2026-05-18T01:06:48.189798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da4545d1895ff8ac4e5ee1af7ccab20144019ae509b2d65ddeb15e0ed3669f2d

Aliases

arxiv: gr-qc/9303035 · arxiv_version: gr-qc/9303035v1 · doi: 10.48550/arxiv.gr-qc/9303035 · pith_short_12: 3JCULUMJL74K · pith_short_16: 3JCULUMJL74KYTS6 · pith_short_8: 3JCULUMJ

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/3JCULUMJL74KYTS64GXXZSVSAF \
  | 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: da4545d1895ff8ac4e5ee1af7ccab20144019ae509b2d65ddeb15e0ed3669f2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab60c2350f3f1d1e19a9e821588fd341fdb1d455c5cee1a20c67674b9d5cd358",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-03-30T14:25:35Z",
    "title_canon_sha256": "908f8a9c220dccdb153068ab7a98fd0b8f959ac21e431022f36c8b0b64cd9421"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9303035",
    "kind": "arxiv",
    "version": 1
  }
}