Pith Number

pith:JZRBVCUY

pith:1997:JZRBVCUY3RN4J7UJV6Z2TEHZRI

not attested not anchored not stored refs pending

BeppoSAX observation of the X-ray binary pulsar Vela X-1

A. Segreto (2), D. Dal Fiume (1), G. Cusumano (2), L. Nicastro (1), L. Piro (4) ((1) TeSRE Institute/CNR Bologna - Italy (2) IFCAI Institute/CNR Palermo - Italy (3) SAX/Scientific Data Center/Nuova Telespazio - Italy (4) IAS Institute/CNR Frascati - Italy), M. Guainazzi (3), M. Orlandini (1), S. Del Sordo (2), S. Giarrusso (2), S. Piraino (2)

arxiv:astro-ph/9707042 v1 · 1997-07-03 · 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{JZRBVCUY3RN4J7UJV6Z2TEHZRI}

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	2026-07-04T16:03:06.064809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e621a8a98dc5bc4fe89afb3a990f98a1302793aae8ee03f1aa1c343af89d1b6

Aliases

arxiv: astro-ph/9707042 · arxiv_version: astro-ph/9707042v1 · doi: 10.48550/arxiv.astro-ph/9707042 · pith_short_12: JZRBVCUY3RN4 · pith_short_16: JZRBVCUY3RN4J7UJ · pith_short_8: JZRBVCUY

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/JZRBVCUY3RN4J7UJV6Z2TEHZRI \
  | 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: 4e621a8a98dc5bc4fe89afb3a990f98a1302793aae8ee03f1aa1c343af89d1b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ab8d64a1d42f36196a9ceb568f62ebde59640154ff2e734fb32271fc4862274",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-07-03T13:37:39Z",
    "title_canon_sha256": "877fd8575e610462c8d0a291555362cf61c9f126a6301e9e92a211f099d12d9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9707042",
    "kind": "arxiv",
    "version": 1
  }
}