Pith Number

pith:PTQLJA2L

pith:2004:PTQLJA2LKWMZ7Q4FHBT3STPULJ

not attested not anchored not stored refs pending

A sample of X-ray emitting normal galaxies from the BMW -- HRI Catalogue

A. Moretti, A. Wolter, G. Tagliaferri (INAF Osservatorio Astronomico di Brera), G. Trinchieri, M. Tajer, S. Campana

arxiv:astro-ph/0412588 v1 · 2004-12-22 · 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{PTQLJA2LKWMZ7Q4FHBT3STPULJ}

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	2026-07-04T16:45:28.652815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ce0b4834b55999fc3853867b94df45a47d3cee7906c64636e1162586bddfc7d

Aliases

arxiv: astro-ph/0412588 · arxiv_version: astro-ph/0412588v1 · doi: 10.48550/arxiv.astro-ph/0412588 · pith_short_12: PTQLJA2LKWMZ · pith_short_16: PTQLJA2LKWMZ7Q4F · pith_short_8: PTQLJA2L

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/PTQLJA2LKWMZ7Q4FHBT3STPULJ \
  | 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: 7ce0b4834b55999fc3853867b94df45a47d3cee7906c64636e1162586bddfc7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7224e70427e3464ad2db5b7f2509a0eb5424848617331e59ff9c74742143a2f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-22T12:12:36Z",
    "title_canon_sha256": "2847160e90baaf8dd5294e0376c39c67db2a349b64de24740c6ba2b4cbae5442"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412588",
    "kind": "arxiv",
    "version": 1
  }
}