pith. sign in
Pith Number

pith:CVYNWC7M

pith:2003:CVYNWC7MO4MGABOMLSYIY4NFKK
not attested not anchored not stored refs pending

Simultaneous optical and X-ray high speed photometry of Cyg X-2

A. A. Esin, B. Kern, C. Martin, G. Dubus, R. E. Rutledge

arxiv:astro-ph/0310615 v1 · 2003-10-21 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CVYNWC7MO4MGABOMLSYIY4NFKK}

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 2026-07-04T16:37:35.383082Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1570db0bec77186005cc5cb08c71a5528eba0fed21e124f73673ef3e5317fdb0

Aliases

arxiv: astro-ph/0310615 · arxiv_version: astro-ph/0310615v1 · doi: 10.48550/arxiv.astro-ph/0310615 · pith_short_12: CVYNWC7MO4MG · pith_short_16: CVYNWC7MO4MGABOM · pith_short_8: CVYNWC7M
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CVYNWC7MO4MGABOMLSYIY4NFKK \
  | 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: 1570db0bec77186005cc5cb08c71a5528eba0fed21e124f73673ef3e5317fdb0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f3672fff74f718957a474b87e3767adc73048f120f3a77e6b7716a8da70ecc42",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-21T16:00:44Z",
    "title_canon_sha256": "98ee235e1fdc643994c7665f5be8a6109186a14b72f31ca7cc6df74cc5d66d0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310615",
    "kind": "arxiv",
    "version": 1
  }
}