Pith Number

pith:VQHATLG6

pith:2006:VQHATLG6JRHKOROQYRMSOVAXQF

not attested not anchored not stored refs pending

Eclipsing binaries in the open cluster NGC 2243 - I. Photometry

G. Stachowski, I.B. Thompson, J. Kaluzny, W. Krzeminski

arxiv:astro-ph/0609379 v1 · 2006-09-14 · 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{VQHATLG6JRHKOROQYRMSOVAXQF}

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	2026-07-04T14:56:21.510765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac0e09acde4c4ea745d0c4592754178150425c68de62f7c269b6d2bcf060e927

Aliases

arxiv: astro-ph/0609379 · arxiv_version: astro-ph/0609379v1 · doi: 10.48550/arxiv.astro-ph/0609379 · pith_short_12: VQHATLG6JRHK · pith_short_16: VQHATLG6JRHKOROQ · pith_short_8: VQHATLG6

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/VQHATLG6JRHKOROQYRMSOVAXQF \
  | 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: ac0e09acde4c4ea745d0c4592754178150425c68de62f7c269b6d2bcf060e927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17c2ce42ec5fc94467f5943aff4c2db722093edc59f5039a083f8d7939b46e9a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-14T06:25:46Z",
    "title_canon_sha256": "8a90b1601268376dc7ba13b58feaa3d365b358f4d5a147a600bfed57ea1e9424"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609379",
    "kind": "arxiv",
    "version": 1
  }
}