Pith Number

pith:YGX7L742

pith:2013:YGX7L7422AJV7LXRHN2AHG5DZA

not attested not anchored not stored refs pending

Herschel views on ultra-luminous X-ray sources

Alexis Coleiro, Mathieu Servillat, Sylvain Chaty

arxiv:1302.4452 v1 · 2013-02-18 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YGX7L7422AJV7LXRHN2AHG5DZA}

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	2026-05-18T03:33:13.242928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1aff5ff9ad0135faef13b74039ba3c80a8ffb48397a9fdff72a2f1b1fd803fe

Aliases

arxiv: 1302.4452 · arxiv_version: 1302.4452v1 · doi: 10.48550/arxiv.1302.4452 · pith_short_12: YGX7L7422AJV · pith_short_16: YGX7L7422AJV7LXR · pith_short_8: YGX7L742

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/YGX7L7422AJV7LXRHN2AHG5DZA \
  | 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: c1aff5ff9ad0135faef13b74039ba3c80a8ffb48397a9fdff72a2f1b1fd803fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a27860c203634463cf1b5100dca5f29dfd485e8285898e0b6e76f986543a2e77",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-02-18T21:00:17Z",
    "title_canon_sha256": "567eafd67435629a8d7a2c72423c518f270391de2f3b6c9c22f913db9bfc3019"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4452",
    "kind": "arxiv",
    "version": 1
  }
}