Pith Number

pith:KHTOIZ2U

pith:2004:KHTOIZ2U7IYLTWLDESMFMNQHNK

not attested not anchored not stored refs pending

The EPIC/MOS view of the 2-8 keV Cosmic X-ray Background Spectrum

A. De Luca, S. Molendi

arxiv:astro-ph/0402233 v1 · 2004-02-10 · 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{KHTOIZ2U7IYLTWLDESMFMNQHNK}

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	2026-07-04T14:13:20.385137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51e6e46754fa30b9d96324985636076ab434001cb3c9bf997a310d3b3ce2e8dd

Aliases

arxiv: astro-ph/0402233 · arxiv_version: astro-ph/0402233v1 · doi: 10.48550/arxiv.astro-ph/0402233 · pith_short_12: KHTOIZ2U7IYL · pith_short_16: KHTOIZ2U7IYLTWLD · pith_short_8: KHTOIZ2U

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/KHTOIZ2U7IYLTWLDESMFMNQHNK \
  | 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: 51e6e46754fa30b9d96324985636076ab434001cb3c9bf997a310d3b3ce2e8dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddd6a11abba5c36e1b5d2860a0993e1c6e6a4ee96bf7c233f25c6a5b48f8977e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-10T18:40:26Z",
    "title_canon_sha256": "3108ca77a03aeed1984c4a3c92b4c8dc36361b7b65e182389062bdc13b855014"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402233",
    "kind": "arxiv",
    "version": 1
  }
}