Pith Number

pith:NKRKBV3G

pith:2004:NKRKBV3GUIXPUGNY3CWCU26YOX

not attested not anchored not stored refs pending

The Ultra-Luminous X-ray Source Population from the Chandra Archive of Galaxies

Allyn F. Tennant, Douglas A. Swartz, Kajal K. Ghosh, Kinwah Wu

arxiv:astro-ph/0405498 v2 · 2004-05-25 · 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{NKRKBV3GUIXPUGNY3CWCU26YOX}

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.

Cited by

1 paper in Pith

Transient and Variable Ultra-luminous X-ray Sources in NGC 4552

Receipt and verification

First computed	2026-07-04T16:43:50.347093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa2a0d766a22efa19b8d8ac2a6bd875edcd5d064b6d98376366807ee1b4a8ff

Aliases

arxiv: astro-ph/0405498 · arxiv_version: astro-ph/0405498v2 · doi: 10.48550/arxiv.astro-ph/0405498 · pith_short_12: NKRKBV3GUIXP · pith_short_16: NKRKBV3GUIXPUGNY · pith_short_8: NKRKBV3G

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/NKRKBV3GUIXPUGNY3CWCU26YOX \
  | 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: 6aa2a0d766a22efa19b8d8ac2a6bd875edcd5d064b6d98376366807ee1b4a8ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8ec6a33ab6711a1ae7b631bc9ee0147be1ccf20618695f67b3e9b62fba65a64",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-25T19:49:43Z",
    "title_canon_sha256": "c21ae7af37020818d55e6e9b2167fded15026458d292e72cae700b09b0086a47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405498",
    "kind": "arxiv",
    "version": 2
  }
}