Pith Number

pith:OERK6AEP

pith:1998:OERK6AEP5RB4DZIHGOR62ZXC4U

not attested not anchored not stored refs pending

Heavy obscuration in X-ray weak AGNs

G. Matt, G. Risaliti, G. Zamorani, L. Bassani, M. Dadina, M. Salvati, R. Della Ceca, R. Maiolino

arxiv:astro-ph/9806055 v2 · 1998-06-03 · 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{OERK6AEP5RB4DZIHGOR62ZXC4U}

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.

Cited by

1 paper in Pith

Identifying Compton-thick AGNs with Machine learning algorithm in Chandra Deep Field-South

Receipt and verification

First computed	2026-07-04T14:15:51.216592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7122af008fec43c1e50733a3ed66e2e5065c9c2de176b2a3aa854c8201b15f7c

Aliases

arxiv: astro-ph/9806055 · arxiv_version: astro-ph/9806055v2 · doi: 10.48550/arxiv.astro-ph/9806055 · pith_short_12: OERK6AEP5RB4 · pith_short_16: OERK6AEP5RB4DZIH · pith_short_8: OERK6AEP

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/OERK6AEP5RB4DZIHGOR62ZXC4U \
  | 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: 7122af008fec43c1e50733a3ed66e2e5065c9c2de176b2a3aa854c8201b15f7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fcb7028f5bdec7943d33c531d948e85bf29edd14e3e1a68b42ea3415a8a1cda",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-06-03T18:51:38Z",
    "title_canon_sha256": "ba5896998b3c5bd698f85283f43e77840d6ebd4f8ca1c0ca7dfbf38416eb22b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9806055",
    "kind": "arxiv",
    "version": 2
  }
}