Pith Number

pith:MVTWSFNZ

pith:2024:MVTWSFNZFASELEQ7WHBUNX3FJF

not attested not anchored not stored refs pending

Assessing the impact of instrument noise and astrophysical fluctuations on measurements of the first black hole photon ring

Alejandro C\'ardenas-Avenda\~no, Alexandru Lupsasca, Lennox Keeble

arxiv:2404.01083 v2 · 2024-04-01 · gr-qc · astro-ph.HE · 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{MVTWSFNZFASELEQ7WHBUNX3FJF}

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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

The glow of eternal black holes

Receipt and verification

First computed	2026-07-05T08:35:01.861360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65676915b9282445921fb1c346df654944d9de3eb3a0a10546b8e54f874099bf

Aliases

arxiv: 2404.01083 · arxiv_version: 2404.01083v2 · doi: 10.48550/arxiv.2404.01083 · pith_short_12: MVTWSFNZFASE · pith_short_16: MVTWSFNZFASELEQ7 · pith_short_8: MVTWSFNZ

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/MVTWSFNZFASELEQ7WHBUNX3FJF \
  | 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: 65676915b9282445921fb1c346df654944d9de3eb3a0a10546b8e54f874099bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be3b0b3f86956d3b195d1d1c2da40549aa409a9fe1bbe82dc6bd09fcc4903c0e",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-04-01T12:26:03Z",
    "title_canon_sha256": "d8b1503b72f34193b58c15d2c11b4260d85a1600b6485e02de83b80b5a4e7bda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.01083",
    "kind": "arxiv",
    "version": 2
  }
}