Pith Number

pith:SRWD4AQQ

pith:2025:SRWD4AQQZ7B6HMS3DD6XY36MDT

not attested not anchored not stored refs pending

A hidden quasi-periodic oscillation in Cygnus X-1 revealed by NICER

Federico A. Fogantini, Federico Garc\'ia, J\"orn Wilms, Mariano M\'endez, Ole K\"onig

arxiv:2503.03078 v2 · 2025-03-05 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRWD4AQQZ7B6HMS3DD6XY36MDT}

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 Hidden Pulse: Uncovering a New Timing Signal in Cygnus X-1 with AstroSat

Receipt and verification

First computed	2026-07-05T10:55:31.587932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

946c3e0210cfc3e3b25b18fd7c6fcc1cc05dbb664b819e51f7e4183d6b7e9cb0

Aliases

arxiv: 2503.03078 · arxiv_version: 2503.03078v2 · doi: 10.48550/arxiv.2503.03078 · pith_short_12: SRWD4AQQZ7B6 · pith_short_16: SRWD4AQQZ7B6HMS3 · pith_short_8: SRWD4AQQ

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/SRWD4AQQZ7B6HMS3DD6XY36MDT \
  | 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: 946c3e0210cfc3e3b25b18fd7c6fcc1cc05dbb664b819e51f7e4183d6b7e9cb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17e8d099b22f4138fecdaf66c4840e3bdb09c6d24e36b23445eef72ded60cc28",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-03-05T00:33:45Z",
    "title_canon_sha256": "c84f0505dd88866c1ab740e999ce3ec4f64a7fac7d649d876ba062846ac85e88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.03078",
    "kind": "arxiv",
    "version": 2
  }
}