Pith Number

pith:FM72JYRQ

pith:2019:FM72JYRQ2NVSOJVOBQOLTSINFE

not attested not anchored not stored refs pending

Critical behavior of Gauss-Bonnet black holes via an alternative phase space

A. Sheykhi, H. Yazdikarimi, Z. Dayyani

arxiv:1903.09020 v1 · 2019-03-20 · 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{FM72JYRQ2NVSOJVOBQOLTSINFE}

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	2026-05-17T23:43:02.882921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b3fa4e230d36b2726ae0c1cb9c90d290e5be143c6d9766fab3b9fd5b538c196

Aliases

arxiv: 1903.09020 · arxiv_version: 1903.09020v1 · doi: 10.48550/arxiv.1903.09020 · pith_short_12: FM72JYRQ2NVS · pith_short_16: FM72JYRQ2NVSOJVO · pith_short_8: FM72JYRQ

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/FM72JYRQ2NVSOJVOBQOLTSINFE \
  | 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: 2b3fa4e230d36b2726ae0c1cb9c90d290e5be143c6d9766fab3b9fd5b538c196

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8020d6e3f7ca7c8de0bc680cb0dd88fb1f02bfd075fd27268567fa28ac4dd157",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-20T15:44:55Z",
    "title_canon_sha256": "cd0749897159acad5f0b1ae05292c6f37fb11c5ebeecc41736bdbf8d867c6804"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09020",
    "kind": "arxiv",
    "version": 1
  }
}