Pith Number

pith:LNA2WJ2S

pith:2013:LNA2WJ2SLZAIKKHOHQBC3H3U2J

not attested not anchored not stored refs pending

VLT/FORS2 observations of four high-luminosity ULX candidates

A. C. Fabian, E. M. Ratti, G. Miniutti, M. A. P. Torres, M. Heida, P. G. Jonker, T. P. Roberts

arxiv:1305.0821 v1 · 2013-05-03 · 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{LNA2WJ2SLZAIKKHOHQBC3H3U2J}

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	2026-05-18T02:52:23.621052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b41ab27525e408528ee3c022d9f74d2421ba92dc428898f411dd2ca285ed814

Aliases

arxiv: 1305.0821 · arxiv_version: 1305.0821v1 · doi: 10.48550/arxiv.1305.0821 · pith_short_12: LNA2WJ2SLZAI · pith_short_16: LNA2WJ2SLZAIKKHO · pith_short_8: LNA2WJ2S

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/LNA2WJ2SLZAIKKHOHQBC3H3U2J \
  | 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: 5b41ab27525e408528ee3c022d9f74d2421ba92dc428898f411dd2ca285ed814

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52dd3f8beb97f5be2c4575d8bbf152a7aed6b37b607bf51ee59d88be52ee27c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-03T20:00:00Z",
    "title_canon_sha256": "3945cfb1753a13ede730733a2e8dfe87b2bd380835eb1e976c23343c9f57f3f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0821",
    "kind": "arxiv",
    "version": 1
  }
}