Pith Number

pith:RWOXED3Z

pith:2002:RWOXED3ZIFEGTST4ED43FKYZ5W

not attested not anchored not stored refs pending

Discovery of an ionized Fe-K edge in the z=3.91 Broad Absorption Line Quasar APM 08279+5255 with XMM-Newton

European Space Agency, Garching, Germany (2) XMM-Newton Science Operation Center, G. Hasinger (1), Madrid, N. Schartel (2), S. Komossa (1) ((1) Max-Planck-Institut fuer extraterrestrische Physik, Spain), Villafranca

arxiv:astro-ph/0207005 v1 · 2002-06-29 · 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{RWOXED3ZIFEGTST4ED43FKYZ5W}

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

The WISSHFUL program: the highest redshift UFO discovered in a non-lensed QSO

Receipt and verification

First computed	2026-07-04T16:30:18.205114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d9d720f79414869ca7c20f9b2ab19edb39d36b78bcbda47598f4ebed706930b

Aliases

arxiv: astro-ph/0207005 · arxiv_version: astro-ph/0207005v1 · doi: 10.48550/arxiv.astro-ph/0207005 · pith_short_12: RWOXED3ZIFEG · pith_short_16: RWOXED3ZIFEGTST4 · pith_short_8: RWOXED3Z

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/RWOXED3ZIFEGTST4ED43FKYZ5W \
  | 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: 8d9d720f79414869ca7c20f9b2ab19edb39d36b78bcbda47598f4ebed706930b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc0748578820743fb159492e94c7ee5c34bbd7cf815905e22c29b60d113cf018",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-06-29T12:41:56Z",
    "title_canon_sha256": "924e55406e404745fa5316c7c19dacefebb6d5e28c5aec58d52ce6f4e4d001a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207005",
    "kind": "arxiv",
    "version": 1
  }
}