Pith Number

pith:UDFEKB5B

pith:1999:UDFEKB5BMAROPP7LRVJEABVTBW

not attested not anchored not stored refs pending

A BeppoSAX Observation of HD9770: a Visual Triple System Containing a Recently Discovered Short-Period Eclipsing Binary

G. Cutispoto, G. Tagliaferri, R. Pallavicini, S. Covino

arxiv:astro-ph/9902329 v1 · 1999-02-23 · 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{UDFEKB5BMAROPP7LRVJEABVTBW}

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	2026-07-04T14:16:34.694539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0ca4507a16022e7bfeb8d524006b30db5559a8e7dcbf622d13b997c63d16fa9

Aliases

arxiv: astro-ph/9902329 · arxiv_version: astro-ph/9902329v1 · doi: 10.48550/arxiv.astro-ph/9902329 · pith_short_12: UDFEKB5BMARO · pith_short_16: UDFEKB5BMAROPP7L · pith_short_8: UDFEKB5B

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/UDFEKB5BMAROPP7LRVJEABVTBW \
  | 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: a0ca4507a16022e7bfeb8d524006b30db5559a8e7dcbf622d13b997c63d16fa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "950bc2409e7d891e89e39837adccd54f6588101b405409594e88e186e59fbb88",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-02-23T16:11:24Z",
    "title_canon_sha256": "7f9ed05b43d3dd5e2d0073f21717d76b8d35393bc4bbfc52addda12be1ba9b30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9902329",
    "kind": "arxiv",
    "version": 1
  }
}