Pith Number

pith:7HJE7KEQ

pith:2017:7HJE7KEQVS6EINFWW2AMS2H5GV

not attested not anchored not stored refs pending

Orbital modulations of X-ray light curves of Cyg X-1 in its low/hard and high/soft states

Juri Sugimoto, Masaru Matsuoka, Shunji Kitamoto, Tatehiro Mihara

arxiv:1705.04781 v1 · 2017-05-13 · 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{7HJE7KEQVS6EINFWW2AMS2H5GV}

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	2026-05-18T00:44:34.660010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9d24fa890acbc4434b6b680c968fd356d2de9ba77cd1f7fc8d6e5f2b28a5f21

Aliases

arxiv: 1705.04781 · arxiv_version: 1705.04781v1 · doi: 10.48550/arxiv.1705.04781 · pith_short_12: 7HJE7KEQVS6E · pith_short_16: 7HJE7KEQVS6EINFW · pith_short_8: 7HJE7KEQ

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/7HJE7KEQVS6EINFWW2AMS2H5GV \
  | 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: f9d24fa890acbc4434b6b680c968fd356d2de9ba77cd1f7fc8d6e5f2b28a5f21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c06c6f654d7d9a2667286e39fa7e6e3c18989f6f0d56c596c3475b8d408ed59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-05-13T02:25:30Z",
    "title_canon_sha256": "b10afe9062df17977c248a7a13a27d894f6c05ee32ca13d6014d026ae275e879"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04781",
    "kind": "arxiv",
    "version": 1
  }
}