Pith Number

pith:JFRLSRDO

pith:2025:JFRLSRDOURRWWPTVJADXVYIQ6T

not attested not anchored not stored refs pending

Deep learning inference with the Event Horizon Telescope I. Calibration improvements and a comprehensive synthetic data library

B. Ripperda, C.-K. Chan, H. Olivares, I. Natarajan, J. Davelaar, J. R\"oder, M. Janssen, M. Rynge, M. Wielgus

arxiv:2506.13873 v1 · 2025-06-16 · astro-ph.IM · astro-ph.HE · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JFRLSRDOURRWWPTVJADXVYIQ6T}

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.

Receipt and verification

First computed	2026-07-05T11:22:45.060448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4962b9446ea4636b3e7548077ae110f4eb5dbe1e17b1f85d91954dec77e4f67c

Aliases

arxiv: 2506.13873 · arxiv_version: 2506.13873v1 · doi: 10.48550/arxiv.2506.13873 · pith_short_12: JFRLSRDOURRW · pith_short_16: JFRLSRDOURRWWPTV · pith_short_8: JFRLSRDO

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/JFRLSRDOURRWWPTVJADXVYIQ6T \
  | 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: 4962b9446ea4636b3e7548077ae110f4eb5dbe1e17b1f85d91954dec77e4f67c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8173a810146103757a7346828c3cea0c3c160f6ff203d6b62157fd110c19ace4",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-06-16T18:00:06Z",
    "title_canon_sha256": "dfe2984cdbff5b62c0db1a1d55395d96fab3b0eaafa8b363f5b462f8932ce1ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.13873",
    "kind": "arxiv",
    "version": 1
  }
}