Pith Number

pith:JG5K5F4O

pith:2024:JG5K5F4OOKCSDJLM7S6SDOI4N5

not attested not anchored not stored refs pending

The Black Hole Explorer: Operating a Hybrid Observatory

Alexander Plavin, Daniel Palumbo, Daniel P. Marrone, Dominic Pesce, Don Boroson, Eliad Peretz, Jade Wang, Janice Houston, Kari Haworth, Kazunori Akiyama, Kim Alonso, Leonid Petrov, Lindy Blackburn, Michael D. Johnson, Peter Galison, Peter Kurczynski, Robert Lafon, Sara Issaoun, Yuri Y. Kovalev

arxiv:2406.09610 v1 · 2024-06-13 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JG5K5F4OOKCSDJLM7S6SDOI4N5}

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	2026-07-05T09:06:27.170633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49baae978e728521a56cfcbd21b91c6f4ff1337d656e23d799fd6986bf4a36a3

Aliases

arxiv: 2406.09610 · arxiv_version: 2406.09610v1 · doi: 10.48550/arxiv.2406.09610 · pith_short_12: JG5K5F4OOKCS · pith_short_16: JG5K5F4OOKCSDJLM · pith_short_8: JG5K5F4O

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/JG5K5F4OOKCSDJLM7S6SDOI4N5 \
  | 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: 49baae978e728521a56cfcbd21b91c6f4ff1337d656e23d799fd6986bf4a36a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dd8fe02ea4967b9fa737360aad193f6b2407ef76367be7b06d04359747085d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-06-13T22:39:58Z",
    "title_canon_sha256": "b434f0e1a0e691387a420113726d26735ee984f56779a1f96456d73e1d0e3939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.09610",
    "kind": "arxiv",
    "version": 1
  }
}