Pith Number

pith:RUOTUIZZ

pith:2004:RUOTUIZZPIWPVUXZPHUDLMS6YV

not attested not anchored not stored refs pending

An RXTE Archival Search for Coherent X-ray Pulsations in LMXB 4U 1820-30

Paul Ray (NRL), Rim Dib (McGill), Scott Ransom (McGill/MIT), Victoria Kaspi (McGill/MIT)

arxiv:astro-ph/0401134 v1 · 2004-01-08 · 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{RUOTUIZZPIWPVUXZPHUDLMS6YV}

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

A Detailed Spectral Study of Intermittent-Accreting Millisecond X-ray Pulsar Aql X-1 during Pulse-on and Pulse-off Stages

Receipt and verification

First computed	2026-07-04T16:42:47.634118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d1d3a23397a2cfad2f979e835b25ec549e3a29de6b2ec999564ba1dbb2447c0

Aliases

arxiv: astro-ph/0401134 · arxiv_version: astro-ph/0401134v1 · doi: 10.48550/arxiv.astro-ph/0401134 · pith_short_12: RUOTUIZZPIWP · pith_short_16: RUOTUIZZPIWPVUXZ · pith_short_8: RUOTUIZZ

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/RUOTUIZZPIWPVUXZPHUDLMS6YV \
  | 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: 8d1d3a23397a2cfad2f979e835b25ec549e3a29de6b2ec999564ba1dbb2447c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebc3b4521457f913df90b61009210318ad9b024e72bfa1a1ce3d32936c00db93",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-08T21:25:42Z",
    "title_canon_sha256": "cae6036b8c587a425ad7d97bc92f5ed948729d7bca8c244fc2377adf94e7461c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401134",
    "kind": "arxiv",
    "version": 1
  }
}