Pith Number

pith:D5KUPYIP

pith:2025:D5KUPYIPJID5A2YPDP3GNTUDSR

not attested not anchored not stored refs pending

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

Abhay Kumar, David M. Russell, Federico Garcia, Mariano Mendez, Pei Jin, Sandeep K. Rout, Santosh Vadawale

arxiv:2507.13884 v2 · 2025-07-18 · 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{D5KUPYIPJID5A2YPDP3GNTUDSR}

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	2026-07-05T11:59:18.020861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f5547e10f4a07d06b0f1bf666ce83946e548dc181360d31cb45344688fed93c

Aliases

arxiv: 2507.13884 · arxiv_version: 2507.13884v2 · doi: 10.48550/arxiv.2507.13884 · pith_short_12: D5KUPYIPJID5 · pith_short_16: D5KUPYIPJID5A2YP · pith_short_8: D5KUPYIP

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/D5KUPYIPJID5A2YPDP3GNTUDSR \
  | 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: 1f5547e10f4a07d06b0f1bf666ce83946e548dc181360d31cb45344688fed93c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d28c0908bad42c299f6dedd5aca5521e7123c4d53be9c41b0402d4926f20a894",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-07-18T13:00:38Z",
    "title_canon_sha256": "4638c1ffa2f815b0f1c22c1b680149c52e9e292982c15ce6f116b13c70abcf71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.13884",
    "kind": "arxiv",
    "version": 2
  }
}