Pith Number

pith:6KARBHHR

pith:2025:6KARBHHRIBQ6JWS6BHFHMIBUUV

not attested not anchored not stored refs pending

Gravity versus astrophysics in black hole images and photon rings: Equatorial emissions and spherically symmetric space-times

F. H. Vincent, G. Perrin, I. Urso, M. Wielgus, T. Paumard

arxiv:2506.13482 v2 · 2025-06-16 · astro-ph.HE · 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{6KARBHHRIBQ6JWS6BHFHMIBUUV}

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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

2 papers in Pith

Revisiting The Gravitational Mirroring In Presence of Compact Objects

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

Receipt and verification

First computed	2026-07-05T12:01:23.976299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f281109cf14061e4da5e09ca762034a556ef7f225d4308c29880ffb75ed3247e

Aliases

arxiv: 2506.13482 · arxiv_version: 2506.13482v2 · doi: 10.48550/arxiv.2506.13482 · pith_short_12: 6KARBHHRIBQ6 · pith_short_16: 6KARBHHRIBQ6JWS6 · pith_short_8: 6KARBHHR

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/6KARBHHRIBQ6JWS6BHFHMIBUUV \
  | 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: f281109cf14061e4da5e09ca762034a556ef7f225d4308c29880ffb75ed3247e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7dc897bc110eef1e354e2709a23cfe4f069e12c76ffb8255e0d8594792ca3fb",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-06-16T13:39:32Z",
    "title_canon_sha256": "c6107888691aff966d4de0cb4df935e828a0587782c7d8c3f89073e9dc731150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.13482",
    "kind": "arxiv",
    "version": 2
  }
}