Pith Number

pith:QX3627M4

pith:2002:QX3627M4KINPTLQTTSWEJTHDXD

not attested not anchored not stored refs pending

The Spectrum of the FeLoBAL Quasar FBQS 1214+2803: A Resonance-Scattering Interpretation

D. Branch, E. Baron, K. M. Leighly, R. C. Thomas

arxiv:astro-ph/0208513 v1 · 2002-08-28 · 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{QX3627M4KINPTLQTTSWEJTHDXD}

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	2026-07-04T16:30:42.102869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85f7ed7d9c521af9ae139cac44cce3b8eb084868195cc3229e1baca8b0324324

Aliases

arxiv: astro-ph/0208513 · arxiv_version: astro-ph/0208513v1 · doi: 10.48550/arxiv.astro-ph/0208513 · pith_short_12: QX3627M4KINP · pith_short_16: QX3627M4KINPTLQT · pith_short_8: QX3627M4

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/QX3627M4KINPTLQTTSWEJTHDXD \
  | 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: 85f7ed7d9c521af9ae139cac44cce3b8eb084868195cc3229e1baca8b0324324

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7113ea7abb42a493ef1ff950566f74c75eea9e653f3d586a35296ab7f89e1924",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-08-28T20:37:46Z",
    "title_canon_sha256": "7090a568870f8d508b738f31cbc8645295f62d707db180837fbca73e5a7f8836"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0208513",
    "kind": "arxiv",
    "version": 1
  }
}