Pith Number

pith:NLMEOEBY

pith:1996:NLMEOEBYYKGPE3JZ7FTXLVPZNQ

not attested not anchored not stored refs pending

ROSAT Soft X-Ray Properties of the Large Bright Quasar Survey: Modeling of Stacked X-Ray Spectra

Bruce Margon, Craig B. Foltz, Henner Fink, & Joachim Truemper, Norbert Schartel, Paul C. Hewett, Paul J. Green, Scott F. Anderson, Wolfgang Brinkmann

arxiv:astro-ph/9607157 v1 · 1996-07-29 · 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{NLMEOEBYYKGPE3JZ7FTXLVPZNQ}

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	2026-05-18T01:40:19.680419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ad8471038c28cf26d39f96775d5f96c1d3183e2091a675f7dd2ae1938745e96

Aliases

arxiv: astro-ph/9607157 · arxiv_version: astro-ph/9607157v1 · doi: 10.48550/arxiv.astro-ph/9607157 · pith_short_12: NLMEOEBYYKGP · pith_short_16: NLMEOEBYYKGPE3JZ · pith_short_8: NLMEOEBY

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/NLMEOEBYYKGPE3JZ7FTXLVPZNQ \
  | 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: 6ad8471038c28cf26d39f96775d5f96c1d3183e2091a675f7dd2ae1938745e96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8448b17e6cc937756007339dc60ae472fc69ccc72d761eea2d16981d6e4355b9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-07-29T19:07:41Z",
    "title_canon_sha256": "c8cfa6d45167eb697c48303a34204629910c5d68ceb55cbb67fc62da42b01961"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9607157",
    "kind": "arxiv",
    "version": 1
  }
}