Pith Number

pith:XTLZC2FM

pith:1997:XTLZC2FMWUCIE3ZRMZLLEMGBOQ

not attested not anchored not stored refs pending

The UV spectrum of the narrow-line Seyfert 1 galaxy, REJ1034+396

A. Siemiginowska, E. M. Puchnarewicz, K. O. Mason

arxiv:astro-ph/9711009 v1 · 1997-11-03 · 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{XTLZC2FMWUCIE3ZRMZLLEMGBOQ}

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	2026-07-04T16:03:21.298958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcd79168acb504826f316656b230c1740bec30534a29603d266d278b6d89bbbc

Aliases

arxiv: astro-ph/9711009 · arxiv_version: astro-ph/9711009v1 · doi: 10.48550/arxiv.astro-ph/9711009 · pith_short_12: XTLZC2FMWUCI · pith_short_16: XTLZC2FMWUCIE3ZR · pith_short_8: XTLZC2FM

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/XTLZC2FMWUCIE3ZRMZLLEMGBOQ \
  | 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: bcd79168acb504826f316656b230c1740bec30534a29603d266d278b6d89bbbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36cef7e549a9953b69fd2c473f449365f109d2fe74beb843ce1c36710751955a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-11-03T15:20:28Z",
    "title_canon_sha256": "c37fbc695b39995fb00f7bb66ff73785c7e6191b8eff2065c19757817848fe70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9711009",
    "kind": "arxiv",
    "version": 1
  }
}