Pith Number

pith:XRHHJQOG

pith:2023:XRHHJQOGG4VCAO7P6BXUWXOQP2

not attested not anchored not stored refs pending

Can black holes be a source of dark energy?

S L Parnovsky

arxiv:2302.13333 v2 · 2023-02-26 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRHHJQOGG4VCAO7P6BXUWXOQP2}

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	2026-07-05T05:54:35.908895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc4e74c1c6372a203beff06f4b5dd07e9426f6d7dcd0e0515cee75f6c349e86c

Aliases

arxiv: 2302.13333 · arxiv_version: 2302.13333v2 · doi: 10.48550/arxiv.2302.13333 · pith_short_12: XRHHJQOGG4VC · pith_short_16: XRHHJQOGG4VCAO7P · pith_short_8: XRHHJQOG

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/XRHHJQOGG4VCAO7P6BXUWXOQP2 \
  | 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: bc4e74c1c6372a203beff06f4b5dd07e9426f6d7dcd0e0515cee75f6c349e86c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b83f862965c3414a76934c81779930ba86e4eba5a910ce6f3344aab53b2014e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-02-26T15:18:58Z",
    "title_canon_sha256": "608ee7da63c625e18e87b9346bb0ef68b8d2ae7ff359a6768722ac35d435024f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.13333",
    "kind": "arxiv",
    "version": 2
  }
}