Pith Number

pith:PAFR3BO7

pith:2002:PAFR3BO7TZ3QYFSDK5OLWBAJFR

not attested not anchored not stored refs pending

An XMM-Newton Study of Hard X-ray Sources

(2) Osservatorio di Roma), E. Piconcelli (1), F. Fiore (2), G. Di Cocco (1), J.B. Stephen (1) ((1) IASF-CNR Bologna, L. Bassani (1), M. Cappi (1)

arxiv:astro-ph/0210651 v1 · 2002-10-30 · 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{PAFR3BO7TZ3QYFSDK5OLWBAJFR}

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	2026-05-18T01:40:41.944739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

780b1d85df9e770c1643575cbb04092c4e0e590c8c0a7563d922e88d168038c6

Aliases

arxiv: astro-ph/0210651 · arxiv_version: astro-ph/0210651v1 · doi: 10.48550/arxiv.astro-ph/0210651 · pith_short_12: PAFR3BO7TZ3Q · pith_short_16: PAFR3BO7TZ3QYFSD · pith_short_8: PAFR3BO7

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/PAFR3BO7TZ3QYFSDK5OLWBAJFR \
  | 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: 780b1d85df9e770c1643575cbb04092c4e0e590c8c0a7563d922e88d168038c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7464c7ce8f5e52df9108159008ba5832dda8ed58a5397dc3a26bace0397682e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-30T11:08:09Z",
    "title_canon_sha256": "481ba33b8cb5af5129e98a15b6cc9b27e7ad29a72cf46cc6af482e0c04b0d5e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210651",
    "kind": "arxiv",
    "version": 1
  }
}