Pith Number

pith:AWSQRX6N

pith:1999:AWSQRX6NQ4BBLA5KS7J4WH4GZE

not attested not anchored not stored refs pending

RX J1624.9+7554: A new X-ray transient AGN

D. Grupe (1), Garching; (2) MPI fuer Astrophysik, Garching; (3) Columbia University, H.-C. Thomas (2), K.M. Leighly (3) ((1) MPI fuer extraterrestrische Physik, New York)

arxiv:astro-ph/9909101 v1 · 1999-09-06 · 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{AWSQRX6NQ4BBLA5KS7J4WH4GZE}

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

Low-hard to high-soft spectral state transitions in the faintest early-X-ray-detected optical tidal disruption event TDE 2025aarm

Receipt and verification

First computed	2026-07-04T14:17:05.613377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05a508dfcd87021583aa97d3cb1f86c92cf51717206d99231b59d5dd63b956c5

Aliases

arxiv: astro-ph/9909101 · arxiv_version: astro-ph/9909101v1 · doi: 10.48550/arxiv.astro-ph/9909101 · pith_short_12: AWSQRX6NQ4BB · pith_short_16: AWSQRX6NQ4BBLA5K · pith_short_8: AWSQRX6N

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/AWSQRX6NQ4BBLA5KS7J4WH4GZE \
  | 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: 05a508dfcd87021583aa97d3cb1f86c92cf51717206d99231b59d5dd63b956c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99fb2ee19a5065310472779657e7c9361282a3c014db8ddb4048269bb7c4906e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-06T10:47:34Z",
    "title_canon_sha256": "be69f9e4141d0e969c5e061c743608d4b1612df73d035c8f0ea12d9882423c6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909101",
    "kind": "arxiv",
    "version": 1
  }
}