Pith Number

pith:7DW6UAEX

pith:2009:7DW6UAEXC7MPUHIKY7GE7PFKKG

not attested not anchored not stored refs pending

Absolute properties of the highly eccentric eclipsing binary star LV Herculis

Antonio Claret (IAA, Claud H. Sandberg Lacy (Univ. of Arkansas, Fayetteville), Guillermo Torres (CfA), Spain)

arxiv:0909.4533 v1 · 2009-09-24 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DW6UAEXC7MPUHIKY7GE7PFKKG}

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	2026-05-18T02:34:27.757049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8edea009717d8fa1d0ac7cc4fbcaa518350358851e14c245ca53d2544ae82fd

Aliases

arxiv: 0909.4533 · arxiv_version: 0909.4533v1 · doi: 10.48550/arxiv.0909.4533 · pith_short_12: 7DW6UAEXC7MP · pith_short_16: 7DW6UAEXC7MPUHIK · pith_short_8: 7DW6UAEX

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/7DW6UAEXC7MPUHIKY7GE7PFKKG \
  | 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: f8edea009717d8fa1d0ac7cc4fbcaa518350358851e14c245ca53d2544ae82fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d604b58a0d7f3272318618d0cd1881fe106c34528010022e101a3f3a7ac8c9db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-24T20:00:02Z",
    "title_canon_sha256": "a98756363e50ff5d9059ce71542c7b2eea6b370b50b46cb6ef1161c8c54eba9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4533",
    "kind": "arxiv",
    "version": 1
  }
}