Pith Number

pith:CRJVOXFF

pith:2000:CRJVOXFFKTOQQIWKZXZZUOJF7R

not attested not anchored not stored refs pending

A broadband X-ray view of NGC4945

2), Bologna, E; (3) Universita' degli Studi "Roma 3", ESA, G.Matt (3), I), I; (4) Pennsylvania State University, I; (6) ITESRE/CNR, L.A.Antonelli (5), L.Bassani (6) ((1) Astrophyisics Division, M.Guainazzi (1, Monteporzio Catone, NL; (2) XMM SOC, Noordwijk, P.Barr (1), SSD of ESA, USA; (5) Osservatorio di Roma, Villafranca del Castillo, VILSPA, W.N.Brandt (4)

arxiv:astro-ph/0001528 v1 · 2000-01-31 · 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{CRJVOXFFKTOQQIWKZXZZUOJF7R}

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	2026-07-04T15:51:09.056983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1453575ca554dd0822cacdf39a3925fc6f4eb9d5e2e669a20c3cc72b19001a8a

Aliases

arxiv: astro-ph/0001528 · arxiv_version: astro-ph/0001528v1 · doi: 10.48550/arxiv.astro-ph/0001528 · pith_short_12: CRJVOXFFKTOQ · pith_short_16: CRJVOXFFKTOQQIWK · pith_short_8: CRJVOXFF

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/CRJVOXFFKTOQQIWKZXZZUOJF7R \
  | 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: 1453575ca554dd0822cacdf39a3925fc6f4eb9d5e2e669a20c3cc72b19001a8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd633808513c4bc47f49c85e614779fda635bb44021b0fcd26c3a4019778c3c3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-01-31T15:21:08Z",
    "title_canon_sha256": "1de6f8c8e7bac7bc281ee0f1772a473f963865841da7a8da0629f063db650d5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0001528",
    "kind": "arxiv",
    "version": 1
  }
}