Pith Number

pith:3FUJ2UW2

pith:1998:3FUJ2UW2IWHAAIS7SYLWSLQL2C

not attested not anchored not stored refs pending

Aquila X-1 from outburst to quiescence: the onset of the propeller effect and signs of a turned-on rotation-powered pulsar

D. Dal Fiume, D. Ricci, L. Stella, M. Colpi, M. Tavani, S. Campana, S. Mereghetti, T. Belloni

arxiv:astro-ph/9803303 v1 · 1998-03-26 · 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{3FUJ2UW2IWHAAIS7SYLWSLQL2C}

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	2026-07-04T16:06:16.004193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9689d52da458e00225f9617692e0bd0ba9f226aaae2c49604bfbdd76564d058

Aliases

arxiv: astro-ph/9803303 · arxiv_version: astro-ph/9803303v1 · doi: 10.48550/arxiv.astro-ph/9803303 · pith_short_12: 3FUJ2UW2IWHA · pith_short_16: 3FUJ2UW2IWHAAIS7 · pith_short_8: 3FUJ2UW2

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/3FUJ2UW2IWHAAIS7SYLWSLQL2C \
  | 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: d9689d52da458e00225f9617692e0bd0ba9f226aaae2c49604bfbdd76564d058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3334a3781f5b717e09b204719576747e600958fa8be0e8aa98252853ad56f03",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-03-26T09:09:58Z",
    "title_canon_sha256": "58031386e08da8e37833bc4732e547dee82a802668c9b73d3c1d9c7f1d5ee1a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9803303",
    "kind": "arxiv",
    "version": 1
  }
}