Pith Number

pith:LKYNNXQ3

pith:2008:LKYNNXQ3JXGY7ZRMJMUZ6POMQ3

not attested not anchored not stored refs pending

Discovery of heavily-obscured AGN among 7 INTEGRAL hard X-ray sources observed by Chandra

E. Churazov, M. Revnivtsev, R. Burenin, R. Sunyaev, S. Sazonov, S.S. Murray, W.R. Forman

arxiv:0802.0928 v2 · 2008-02-07 · 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{LKYNNXQ3JXGY7ZRMJMUZ6POMQ3}

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	2026-05-18T02:16:01.260781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ab0d6de1b4dcd8fe62c4b299f3dcc86e091c15d66a5483dd370991f5f0cb7e4

Aliases

arxiv: 0802.0928 · arxiv_version: 0802.0928v2 · doi: 10.48550/arxiv.0802.0928 · pith_short_12: LKYNNXQ3JXGY · pith_short_16: LKYNNXQ3JXGY7ZRM · pith_short_8: LKYNNXQ3

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/LKYNNXQ3JXGY7ZRMJMUZ6POMQ3 \
  | 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: 5ab0d6de1b4dcd8fe62c4b299f3dcc86e091c15d66a5483dd370991f5f0cb7e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e221863ce969c0d40ca1840589643ac814958f3d7fcbdd94aaf35bde9cf38aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-02-07T09:20:27Z",
    "title_canon_sha256": "2e5e08551087d8b4213fc7d4a0161c0702097037f6b5796171704d1456fca3df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.0928",
    "kind": "arxiv",
    "version": 2
  }
}