Pith Number

pith:PRU6OQGE

pith:2009:PRU6OQGEG3KTPCXDGYCWHKJJZC

not attested not anchored not stored refs pending

The Suzaku View of the Swift/BAT AGNs (II): Time Variability and Spectra of Five "Hidden" AGNs

Lisa Winter (CASA/CU-Boulder), Richard Mushotzky (NASA GSFC), Yoshihiro Ueda (University of Kyoto), Yuichi Terashima (Ehime University)

arxiv:0903.2802 v1 · 2009-03-16 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PRU6OQGEG3KTPCXDGYCWHKJJZC}

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	2026-05-18T00:55:18.080931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c69e740c436d5378ae3360563a929c8a4f4d7a6ac10588283903a6ffccbf448

Aliases

arxiv: 0903.2802 · arxiv_version: 0903.2802v1 · doi: 10.48550/arxiv.0903.2802 · pith_short_12: PRU6OQGEG3KT · pith_short_16: PRU6OQGEG3KTPCXD · pith_short_8: PRU6OQGE

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/PRU6OQGEG3KTPCXDGYCWHKJJZC \
  | 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: 7c69e740c436d5378ae3360563a929c8a4f4d7a6ac10588283903a6ffccbf448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "053f639a356c9d95c6407003d84a30d2d068d057774dcfce00d7228294a21c8d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-03-16T17:24:08Z",
    "title_canon_sha256": "c638ed236eecbe82a241223ee72131a46eb8150043f565d71ce948a7d25d5709"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2802",
    "kind": "arxiv",
    "version": 1
  }
}