Pith Number

pith:N6OSM7KM

pith:2002:N6OSM7KMVQIFRQZBOI2HQADIRN

not attested not anchored not stored refs pending

Probing Broad Absorption Line Quasar Outflows: X-ray Insights

G. Chartas, G.P. Garmire (Penn State), R.M. Sambruna (George Mason), S.C. Gallagher (MIT), W.N. Brandt

arxiv:astro-ph/0212304 v1 · 2002-12-12 · 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{N6OSM7KMVQIFRQZBOI2HQADIRN}

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	2026-05-18T01:40:39.800843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f9d267d4cac1058c32172347800688b5f5f8de23c82fe3c0419b89114841799

Aliases

arxiv: astro-ph/0212304 · arxiv_version: astro-ph/0212304v1 · doi: 10.48550/arxiv.astro-ph/0212304 · pith_short_12: N6OSM7KMVQIF · pith_short_16: N6OSM7KMVQIFRQZB · pith_short_8: N6OSM7KM

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/N6OSM7KMVQIFRQZBOI2HQADIRN \
  | 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: 6f9d267d4cac1058c32172347800688b5f5f8de23c82fe3c0419b89114841799

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c04f2302a635ffe324d386b0238ab0f65feae64eacb4aa98ad45d50dbc820573",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-12T21:14:03Z",
    "title_canon_sha256": "e83d2e7d6de5f23327dbb8948a026928bb81bbf9ec1edfa51ac486784007a49b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212304",
    "kind": "arxiv",
    "version": 1
  }
}