Pith Number

pith:T7YSYSDR

pith:1998:T7YSYSDR46A3I23SRHX6DT65KC

not attested not anchored not stored refs pending

Physical parameters of the Algol system TZ Eridani from simultaneous analysis of Geneva 7-colour light curves

(2) Lausanne University, (3) University of Illinois), E.C. Olson (3) ((1) Geneva Observatory, F. Barblan (1), G. Burki (1), P. Bartholdi (1), P. North (2)

arxiv:astro-ph/9806125 v1 · 1998-06-09 · 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{T7YSYSDR46A3I23SRHX6DT65KC}

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	2026-05-18T02:40:34.968420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ff12c4871e781b46b7289efe1cfdd50bc0e81db72e0fd0d7d9469d5feb28a60

Aliases

arxiv: astro-ph/9806125 · arxiv_version: astro-ph/9806125v1 · doi: 10.48550/arxiv.astro-ph/9806125 · pith_short_12: T7YSYSDR46A3 · pith_short_16: T7YSYSDR46A3I23S · pith_short_8: T7YSYSDR

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/T7YSYSDR46A3I23SRHX6DT65KC \
  | 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: 9ff12c4871e781b46b7289efe1cfdd50bc0e81db72e0fd0d7d9469d5feb28a60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb0cb55f65f123eb2ba5dba2582bed7884b8035afb3eeb6e758a900df32edfb4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-06-09T08:59:46Z",
    "title_canon_sha256": "c1096b4af9c8a121b433e19cb31fa961f815db06c5bfedb13e2edcf99ecec2c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9806125",
    "kind": "arxiv",
    "version": 1
  }
}