Pith Number

pith:U3WIFW7J

pith:2019:U3WIFW7JFCTJ7EZNEUR5BYJYBB

not attested not anchored not stored refs pending

Effects of quantum corrections on the criticality and efficiency of black holes surrounded by a perfect fluid

I. P. Lobo, J. P. Morais Gra\c{c}a, Luis C. N. Santos, V. B. Bezerra

arxiv:1908.08140 v2 · 2019-08-21 · 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{U3WIFW7JFCTJ7EZNEUR5BYJYBB}

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	2026-07-05T00:31:16.209124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6ec82dbe928a69f932d2523d0e13808644f07c83788b85f93162c9b78838ce0

Aliases

arxiv: 1908.08140 · arxiv_version: 1908.08140v2 · doi: 10.48550/arxiv.1908.08140 · pith_short_12: U3WIFW7JFCTJ · pith_short_16: U3WIFW7JFCTJ7EZN · pith_short_8: U3WIFW7J

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/U3WIFW7JFCTJ7EZNEUR5BYJYBB \
  | 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: a6ec82dbe928a69f932d2523d0e13808644f07c83788b85f93162c9b78838ce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebcded0969333e0c1a707522ee032d4d370a9c526956a46a5a07b3fa30223f0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-21T23:29:22Z",
    "title_canon_sha256": "d810f0b31852721ee5816a95f7ac4f2ae66d0510b30c58abfbb5beabefb68805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08140",
    "kind": "arxiv",
    "version": 2
  }
}