Pith Number

pith:T32XFV2J

pith:2001:T32XFV2JAM7E2S6A7CUTFAMROD

not attested not anchored not stored refs pending

BeppoSAX view of NGC 526A: a Seyfert 1.9 galaxy with a flat spectrum

A.C. Fabian, A. Comastri, E. Palazzi, G. Di Cocco, G.G.C. Palumbo, G. Malaguti, L. Bassani, M. Cappi, M. Dadina, M. Trifoglio, R. Landi

arxiv:astro-ph/0110140 v1 · 2001-10-05 · 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{T32XFV2JAM7E2S6A7CUTFAMROD}

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	2026-07-04T16:24:14.195809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ef572d749033e4d4bc0f8a932819170c23febab3081a7c344b02b108b86ac46

Aliases

arxiv: astro-ph/0110140 · arxiv_version: astro-ph/0110140v1 · doi: 10.48550/arxiv.astro-ph/0110140 · pith_short_12: T32XFV2JAM7E · pith_short_16: T32XFV2JAM7E2S6A · pith_short_8: T32XFV2J

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/T32XFV2JAM7E2S6A7CUTFAMROD \
  | 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: 9ef572d749033e4d4bc0f8a932819170c23febab3081a7c344b02b108b86ac46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81f8ee967e8597a455c7c2d36f7190a0e7f8bdb713bbe978be008be3287ad077",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-10-05T15:13:37Z",
    "title_canon_sha256": "7000531565012d3a960769a8df497ac20c6acc56d71930b89ccd111330a6657c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0110140",
    "kind": "arxiv",
    "version": 1
  }
}