Pith Number

pith:7E2HB6QG

pith:2014:7E2HB6QGGNUZMNBVCPPJGUMUPI

not attested not anchored not stored refs pending

"Hybrid" Black Holes

Andrei V. Frolov, Valeri P. Frolov

arxiv:1412.8740 v1 · 2014-12-30 · 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{7E2HB6QGGNUZMNBVCPPJGUMUPI}

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	2026-05-18T01:41:15.142096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f93470fa06336996343513de9351947a04a043de65ad3943495378327f2467e4

Aliases

arxiv: 1412.8740 · arxiv_version: 1412.8740v1 · doi: 10.48550/arxiv.1412.8740 · pith_short_12: 7E2HB6QGGNUZ · pith_short_16: 7E2HB6QGGNUZMNBV · pith_short_8: 7E2HB6QG

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/7E2HB6QGGNUZMNBVCPPJGUMUPI \
  | 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: f93470fa06336996343513de9351947a04a043de65ad3943495378327f2467e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afa3630e2ecbb26bc79d270593194e215316c15dd40d2aecbf967678f3a875f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-12-30T19:27:02Z",
    "title_canon_sha256": "33f218b0e7e533584ab53c7e4014eb8ea5e4bfbf2085dc6acff845af51ca9395"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8740",
    "kind": "arxiv",
    "version": 1
  }
}