Pith Number

pith:Q6LPODMC

pith:2003:Q6LPODMC4EJYW7UEY62SSB5DUB

not attested not anchored not stored refs pending

Eclipsing binaries in open clusters

B. Smalley (Keele University, J. Southworth, P. F. L. Maxted, UK)

arxiv:astro-ph/0312506 v1 · 2003-12-18 · 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{Q6LPODMC4EJYW7UEY62SSB5DUB}

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	2026-05-18T02:40:26.705596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8796f70d82e1138b7e84c7b52907a3a04096f69e8d656d04eaa37e978e8d3bdc

Aliases

arxiv: astro-ph/0312506 · arxiv_version: astro-ph/0312506v1 · doi: 10.48550/arxiv.astro-ph/0312506 · pith_short_12: Q6LPODMC4EJY · pith_short_16: Q6LPODMC4EJYW7UE · pith_short_8: Q6LPODMC

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/Q6LPODMC4EJYW7UEY62SSB5DUB \
  | 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: 8796f70d82e1138b7e84c7b52907a3a04096f69e8d656d04eaa37e978e8d3bdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "623ebb8209a0ad1a0454e1e5d868847b87dc1cdab92cea543ba8f80e01ea2c5e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-12-18T20:14:19Z",
    "title_canon_sha256": "74dda826ab8bfe3b77acbe1f4c6560174b9e1fb857e286d4f35f467bcccca2bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0312506",
    "kind": "arxiv",
    "version": 1
  }
}