Pith Number

pith:PX6T4JQW

pith:2020:PX6T4JQWDPPMDIIEF462X5PTUO

not attested not anchored not stored refs pending

Geometric modeling of M87* as a Kerr black hole or a non-Kerr compact object

E. Gourgoulhon, F. H. Vincent, G. Perrin, J.-P. Lasota, M. A. Abramowicz, M. Wielgus, T. Paumard

arxiv:2002.09226 v2 · 2020-02-21 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PX6T4JQWDPPMDIIEF462X5PTUO}

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

GRMHD accretion beyond the black hole paradigm: Light from within the shadow

Receipt and verification

First computed	2026-07-05T02:12:23.042725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dfd3e26161bdec1a1042f3dabf5f3a3a8ccadbcce387117f40cb9d04653ec0c

Aliases

arxiv: 2002.09226 · arxiv_version: 2002.09226v2 · doi: 10.48550/arxiv.2002.09226 · pith_short_12: PX6T4JQWDPPM · pith_short_16: PX6T4JQWDPPMDIIE · pith_short_8: PX6T4JQW

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/PX6T4JQWDPPMDIIEF462X5PTUO \
  | 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: 7dfd3e26161bdec1a1042f3dabf5f3a3a8ccadbcce387117f40cb9d04653ec0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14a0e163a23781ec41c79bb7cead031658de0e695d2e9a845f2f597242634925",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-02-21T11:05:32Z",
    "title_canon_sha256": "6e14fd876c290ac7cd804302e18960f04ddc89599b12545f0679a2a0ac571b1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.09226",
    "kind": "arxiv",
    "version": 2
  }
}