Pith Number

pith:ZZLSUBPS

pith:1998:ZZLSUBPSZOW2DJ4PDOROAER3KK

not attested not anchored not stored refs pending

Evolution of spectral parameters during a pre-eclipse dip of Her X-1

2), (2) Max-Planck-Institut fuer extraterrestrische Physik, (3) CASS, Astronomie, B. Stelzer (1, D. Gruber (3), Garching, J. Wilms (1), R. Rothschild (3) ((1) Institut fuer Astronomie und Astrophysik, R. Staubert (1), Tuebingen, University of California at San Diego)

arxiv:astro-ph/9812128 v1 · 1998-12-07 · 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{ZZLSUBPSZOW2DJ4PDOROAER3KK}

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.

Cited by

1 paper in Pith

X-ray Dips and Polarization Angle Swings in GX 13+1

Receipt and verification

First computed	2026-07-04T14:16:25.276331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce572a05f2cbada1a78f1ba2e0123b52929a25337674390cc098dd0e8ab26f13

Aliases

arxiv: astro-ph/9812128 · arxiv_version: astro-ph/9812128v1 · doi: 10.48550/arxiv.astro-ph/9812128 · pith_short_12: ZZLSUBPSZOW2 · pith_short_16: ZZLSUBPSZOW2DJ4P · pith_short_8: ZZLSUBPS

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/ZZLSUBPSZOW2DJ4PDOROAER3KK \
  | 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: ce572a05f2cbada1a78f1ba2e0123b52929a25337674390cc098dd0e8ab26f13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01b7cb799acfbb15e743ca660ae9ed1aa9054229d72b7244237dfff1a3974cd3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-12-07T16:48:21Z",
    "title_canon_sha256": "6ef947f3bce1f47671a428204a69d6d95d3806793259d3272b09940d9988dc1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9812128",
    "kind": "arxiv",
    "version": 1
  }
}