Pith Number

pith:OMERBXNP

pith:2007:OMERBXNPMIRRG76WIXK4P2EEOT

not attested not anchored not stored refs pending

Energy distribution of individual quasars from far-UV to X-rays: I. Intrinsic UV hardness and dust opacities

Andrew Humphrey, Erika Benitez, Fabrizio Nicastro, Luc Binette, Mario Rodriguez-Martinez, Sinhue A. R. Haro-Corzo, Yair Krongold

arxiv:astro-ph/0702358 v1 · 2007-02-13 · 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{OMERBXNPMIRRG76WIXK4P2EEOT}

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	2026-05-18T04:29:06.557931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

730910ddaf6223137fd645d5c7e88474d397d157367918521caf58ff2bb04638

Aliases

arxiv: astro-ph/0702358 · arxiv_version: astro-ph/0702358v1 · doi: 10.48550/arxiv.astro-ph/0702358 · pith_short_12: OMERBXNPMIRR · pith_short_16: OMERBXNPMIRRG76W · pith_short_8: OMERBXNP

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/OMERBXNPMIRRG76WIXK4P2EEOT \
  | 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: 730910ddaf6223137fd645d5c7e88474d397d157367918521caf58ff2bb04638

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fae58f17d0dfc3557db4e9b589ac60bd0c86618b64876dd7a89952d0f1e328dd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-13T21:24:53Z",
    "title_canon_sha256": "9fa2b05fe1d4e4319cbf8b2b850a0b9491b000d0ba6734bba0987aeb027456c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702358",
    "kind": "arxiv",
    "version": 1
  }
}