Pith Number

pith:I4WVYEGD

pith:2017:I4WVYEGDZK47PXUT75PENENRKV

not attested not anchored not stored refs pending

Analysis of NuSTAR and Suzaku observations of Cyg X-1 in the hard state: evidence for a truncated disc geometry

Andrzej A. Zdziarski, Michael Parker, Nazma Islam, Rupal Basak

arxiv:1705.06638 v2 · 2017-05-18 · 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{I4WVYEGDZK47PXUT75PENENRKV}

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

An X-ray reverberation mass measurement of Cygnus X-1

Receipt and verification

First computed	2026-05-18T00:32:43.105290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

472d5c10c3cab9f7de93ff5e4691b155402083227f60e18efa666af1b7b9ac1c

Aliases

arxiv: 1705.06638 · arxiv_version: 1705.06638v2 · doi: 10.48550/arxiv.1705.06638 · pith_short_12: I4WVYEGDZK47 · pith_short_16: I4WVYEGDZK47PXUT · pith_short_8: I4WVYEGD

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/I4WVYEGDZK47PXUT75PENENRKV \
  | 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: 472d5c10c3cab9f7de93ff5e4691b155402083227f60e18efa666af1b7b9ac1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59a056523e12d2946d4344318b7a6c0c1334b2c56017d9b41215166f99c76065",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-05-18T15:08:54Z",
    "title_canon_sha256": "513a05a5ba93f013774b41537be15db21f8e5469f83422ce07427a0485f2f4b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06638",
    "kind": "arxiv",
    "version": 2
  }
}