Pith Number

pith:NPGVTIPZ

pith:2019:NPGVTIPZXQ7JTPCSDJJCP5N4OR

not attested not anchored not stored refs pending

Quantum-corrected black holes and naked singularities in (2+1)-dimensions

Alessandro Fabbri, Cristi\'an Mart\'inez, Jorge Zanelli, Marc Casals

arxiv:1902.01583 v1 · 2019-02-05 · hep-th · 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{NPGVTIPZXQ7JTPCSDJJCP5N4OR}

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	2026-05-17T23:45:30.267256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bcd59a1f9bc3e99bc521a5227f5bc74524ef1bbd06ab311aa9801399a2e3617

Aliases

arxiv: 1902.01583 · arxiv_version: 1902.01583v1 · doi: 10.48550/arxiv.1902.01583 · pith_short_12: NPGVTIPZXQ7J · pith_short_16: NPGVTIPZXQ7JTPCS · pith_short_8: NPGVTIPZ

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/NPGVTIPZXQ7JTPCSDJJCP5N4OR \
  | 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: 6bcd59a1f9bc3e99bc521a5227f5bc74524ef1bbd06ab311aa9801399a2e3617

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c43320815886e563dc8b15dbe63fb535ba224babea3ec8e8d99e407c5f41a88e",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-02-05T08:14:26Z",
    "title_canon_sha256": "87e0378cae160e4038435a627fb9aceb9d538696e923e76b43c386b39128aa41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01583",
    "kind": "arxiv",
    "version": 1
  }
}