Pith Number

pith:SCZ6PLFY

pith:2008:SCZ6PLFYTZGBEUB5XHYKV3WCM4

not attested not anchored not stored refs pending

The X-Ray Point-Source Population of NGC 1365: The Puzzle of Two Highly-Variable Ultraluminous X-ray Sources

Germany), Iskra V. Strateva (1), Stefanie Komossa (1) ((1) MPE Garching

arxiv:0810.3793 v1 · 2008-10-21 · astro-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{SCZ6PLFYTZGBEUB5XHYKV3WCM4}

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	2026-05-18T04:29:25.821204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90b3e7acb89e4c12503db9f0aaeec2670adc12e584a310e5a2058ae95b60a963

Aliases

arxiv: 0810.3793 · arxiv_version: 0810.3793v1 · doi: 10.48550/arxiv.0810.3793 · pith_short_12: SCZ6PLFYTZGB · pith_short_16: SCZ6PLFYTZGBEUB5 · pith_short_8: SCZ6PLFY

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/SCZ6PLFYTZGBEUB5XHYKV3WCM4 \
  | 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: 90b3e7acb89e4c12503db9f0aaeec2670adc12e584a310e5a2058ae95b60a963

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55587fa93a9e43ccbc5a330a8a5f731272e26b989f0b5b57d67cc59ea9cf03ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-21T10:13:06Z",
    "title_canon_sha256": "ad0c018678f7294047e0d5ef05a8206c1c000b25ee117fb01eb9719b6defe2f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.3793",
    "kind": "arxiv",
    "version": 1
  }
}