Pith Number

pith:LS5PJZNJ

pith:2023:LS5PJZNJPUPN4CTDJPL73HQHMD

not attested not anchored not stored refs pending

An Extreme Black Hole in the Recurrent X-ray Transient XTE J2012+381

Abderahmen Zoghbi, Andrew C. Fabian, John A. Tomsick, Jon M. Miller, McKinley C. Brumback, Paul A. Draghis

arxiv:2307.06988 v1 · 2023-07-13 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LS5PJZNJPUPN4CTDJPL73HQHMD}

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	2026-07-05T06:30:48.747621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cbaf4e5a97d1ede0a634bd7fd9e0760ce8f2f5c7e7dd862d00d6b2053b02ba4

Aliases

arxiv: 2307.06988 · arxiv_version: 2307.06988v1 · doi: 10.48550/arxiv.2307.06988 · pith_short_12: LS5PJZNJPUPN · pith_short_16: LS5PJZNJPUPN4CTD · pith_short_8: LS5PJZNJ

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/LS5PJZNJPUPN4CTDJPL73HQHMD \
  | 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: 5cbaf4e5a97d1ede0a634bd7fd9e0760ce8f2f5c7e7dd862d00d6b2053b02ba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bd372a206c28b03b697197289465b320743fed331c5e358f68188f8db02024f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-07-13T18:00:00Z",
    "title_canon_sha256": "36430ccddd6af3e228000274b6fed54bdc63c0c69c4d1975bbd26fde83e40c37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.06988",
    "kind": "arxiv",
    "version": 1
  }
}