Pith Number

pith:UIGUXXIS

pith:2021:UIGUXXISHUO5U5UCLJXYEX4SHX

not attested not anchored not stored refs pending

Constraints on Barrow entropy from M87* and S2 star observations

Emmanuel N. Saridakis, Kimet Jusufi, Mubasher Jamil, Mustapha Azreg-A\"inou

arxiv:2110.07258 v2 · 2021-10-14 · gr-qc · astro-ph.CO · 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{UIGUXXISHUO5U5UCLJXYEX4SHX}

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.

Cited by

1 paper in Pith

Rotating Black Holes with Primary Scalar Hair: Shadow Signatures in Beyond Horndeski Gravity

Receipt and verification

First computed	2026-07-05T03:54:24.495762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a20d4bdd123d1dda76825a6f825f923ddf8fe567bf61938a0ede0f6ec994408a

Aliases

arxiv: 2110.07258 · arxiv_version: 2110.07258v2 · doi: 10.48550/arxiv.2110.07258 · pith_short_12: UIGUXXISHUO5 · pith_short_16: UIGUXXISHUO5U5UC · pith_short_8: UIGUXXIS

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/UIGUXXISHUO5U5UCLJXYEX4SHX \
  | 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: a20d4bdd123d1dda76825a6f825f923ddf8fe567bf61938a0ede0f6ec994408a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbd166043cdbf6a5f620f7cb62835469c8559bc07833a1f59074b299299cbc7a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-10-14T11:09:36Z",
    "title_canon_sha256": "2956f7980c12c9f13f3f519857e9511ced9ff459689a54d426cd2086deac540b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.07258",
    "kind": "arxiv",
    "version": 2
  }
}