Pith Number

pith:U4EAQ7PG

pith:2025:U4EAQ7PGTAPNFGRK576VXGCMEE

not attested not anchored not stored refs pending

Timing analysis of the black-hole candidate Swift J1727.8-1613: detection of a dip-like feature in the high-energy cross spectrum

Diego Altamirano, Federico Garc\'ia, Guobao Zhang, Mariano M\'endez, Pei Jin, Sandeep K. Rout

arxiv:2504.20717 v1 · 2025-04-29 · 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{U4EAQ7PGTAPNFGRK576VXGCMEE}

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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 broadband spectral-timing study of QPOs in the bright black hole X-ray binary Swift J1727.8-1613

Receipt and verification

First computed	2026-07-05T11:26:30.257840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a708087de6981ed29a2aeffd5b984c211e3fc4b4ceedbd8a2ba5357c87e8caaa

Aliases

arxiv: 2504.20717 · arxiv_version: 2504.20717v1 · doi: 10.48550/arxiv.2504.20717 · pith_short_12: U4EAQ7PGTAPN · pith_short_16: U4EAQ7PGTAPNFGRK · pith_short_8: U4EAQ7PG

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/U4EAQ7PGTAPNFGRK576VXGCMEE \
  | 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: a708087de6981ed29a2aeffd5b984c211e3fc4b4ceedbd8a2ba5357c87e8caaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6709e7fdcde679f7e2691e1a6f7c752f98141328d8f3a4448c1cc1c9f826d81",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-04-29T12:56:14Z",
    "title_canon_sha256": "bda5ef50054c08ee8880353130eb084d379d2cef9fc255c482f3fd0bb76e612a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20717",
    "kind": "arxiv",
    "version": 1
  }
}