Pith Number

pith:G4EHPHSU

pith:2015:G4EHPHSU7LZLQW5LYIF7OMHSBQ

not attested not anchored not stored refs pending

Non-singular rotating black hole with a time delay in the center

Andrea Giusti, Simone Speziale, Tommaso De Lorenzo

arxiv:1510.08828 v2 · 2015-10-29 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G4EHPHSU7LZLQW5LYIF7OMHSBQ}

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	2026-05-18T00:35:59.867255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3708779e54faf2b85babc20bf730f20c361bb49155c5909518c8e71bdb473d7e

Aliases

arxiv: 1510.08828 · arxiv_version: 1510.08828v2 · doi: 10.48550/arxiv.1510.08828 · pith_short_12: G4EHPHSU7LZL · pith_short_16: G4EHPHSU7LZLQW5L · pith_short_8: G4EHPHSU

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/G4EHPHSU7LZLQW5LYIF7OMHSBQ \
  | 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: 3708779e54faf2b85babc20bf730f20c361bb49155c5909518c8e71bdb473d7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d235be39bbf27e3e2832f9495bc21663c03a76ccf334c741eebc492cff67b2ff",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-10-29T19:23:38Z",
    "title_canon_sha256": "64e9974484e74aca9111564eecd472a5c9b47543906ca8af467bfa55d16ba454"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08828",
    "kind": "arxiv",
    "version": 2
  }
}