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Pith Number

pith:F4X57LVK

pith:2024:F4X57LVK57BQFEEUJXXC4FCFDB
not attested not anchored not stored refs pending

Constraining spherically symmetric metrics by the gap between photon rings

Fabio Aratore, Oleg Yu. Tsupko, Volker Perlick

arxiv:2402.14733 v2 · 2024-02-22 · gr-qc · astro-ph.CO

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\usepackage{pith}
\pithnumber{F4X57LVK57BQFEEUJXXC4FCFDB}

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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

Receipt and verification
First computed 2026-07-05T08:57:00.815118Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2f2fdfaeaaefc30290944dee2e1445187a1f419aed5a879126711e92434e3011

Aliases

arxiv: 2402.14733 · arxiv_version: 2402.14733v2 · doi: 10.48550/arxiv.2402.14733 · pith_short_12: F4X57LVK57BQ · pith_short_16: F4X57LVK57BQFEEU · pith_short_8: F4X57LVK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/F4X57LVK57BQFEEUJXXC4FCFDB \
  | 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: 2f2fdfaeaaefc30290944dee2e1445187a1f419aed5a879126711e92434e3011
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1b3e0f4f782a8a47090a9e141a904652dbe7d68c2a62cfce83eb85446da4c0a4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-02-22T17:44:44Z",
    "title_canon_sha256": "775a00e79986a40dc43e4ee7a9fb6981a1d0c95846ddfb60927788edab8eebe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.14733",
    "kind": "arxiv",
    "version": 2
  }
}