Pith Number

pith:OUYOQYE2

pith:2001:OUYOQYE2RCBCPDBTSPJJM62EI3

not attested not anchored not stored refs pending

X-ray properties of Red Active Galactic Nuclei

Belinda J. Wilkes, Brant Nelson, Dean C. Hines, Gary D. Schmidt, Himel Ghosh, Paul Smith, Roc M. Cutri

arxiv:astro-ph/0112433 v1 · 2001-12-18 · 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{OUYOQYE2RCBCPDBTSPJJM62EI3}

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	2026-07-04T16:24:47.312939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7530e8609a8882278c3393d2967b4446e079da0d4d1deb4dabcf6016f15a351a

Aliases

arxiv: astro-ph/0112433 · arxiv_version: astro-ph/0112433v1 · doi: 10.48550/arxiv.astro-ph/0112433 · pith_short_12: OUYOQYE2RCBC · pith_short_16: OUYOQYE2RCBCPDBT · pith_short_8: OUYOQYE2

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/OUYOQYE2RCBCPDBTSPJJM62EI3 \
  | 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: 7530e8609a8882278c3393d2967b4446e079da0d4d1deb4dabcf6016f15a351a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e704383eba9664d51f009fc8c86099566d83f883b2bf8550330a23965b0e4e1d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-12-18T20:24:04Z",
    "title_canon_sha256": "d2930f58d031c04b987164156be8e83f282d11a07ea1a60c706af00274cee4aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0112433",
    "kind": "arxiv",
    "version": 1
  }
}