Pith Number

pith:DTHEZDIQ

pith:2008:DTHEZDIQ5WXNKIX4Q7A6L36WII

not attested not anchored not stored refs pending

Superorbital variability of X-ray and radio emission of Cyg X-1 - II. Dependence of the orbital modulation and spectral hardness on the superorbital phase

Andrzej A. Zdziarski, Askar Ibragimov, Juri Poutanen

arxiv:0802.1391 v2 · 2008-02-11 · 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{DTHEZDIQ5WXNKIX4Q7A6L36WII}

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

FACT -- Multi-wavelength analysis of more than 30 flares of Mrk 421

Receipt and verification

First computed	2026-07-04T15:32:43.648054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cce4c8d10edaed522fc87c1e5efd64203b9fd39eeeed6f54011efb2cb4eb5f2

Aliases

arxiv: 0802.1391 · arxiv_version: 0802.1391v2 · doi: 10.48550/arxiv.0802.1391 · pith_short_12: DTHEZDIQ5WXN · pith_short_16: DTHEZDIQ5WXNKIX4 · pith_short_8: DTHEZDIQ

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/DTHEZDIQ5WXNKIX4Q7A6L36WII \
  | 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: 1cce4c8d10edaed522fc87c1e5efd64203b9fd39eeeed6f54011efb2cb4eb5f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7ade2a43aec69216baa6cb24a28c53c0c3a54a9d429d2bc8cf5541b7b6fb3d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-02-11T20:25:10Z",
    "title_canon_sha256": "d49e4ebddcedbbb5bd2954240a125d62c83dc6a054eae032434a7cbcdebaa557"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.1391",
    "kind": "arxiv",
    "version": 2
  }
}