Pith Number

pith:II3YC73H

pith:2009:II3YC73HUYMZSYAMMTKX6X6QI2

not attested not anchored not stored refs pending

Photometric campaign on massive stars in the open cluster NGC 5617

D. Debruyne, F. Carrier, G. Bourban, G. Burki, J. Debosscher, L.M. Sarro, L. Weber, M. Cherix, M. Spano, P. Gruyters, S. Saesen

arxiv:0901.0627 v1 · 2009-01-06 · 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{II3YC73HUYMZSYAMMTKX6X6QI2}

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	2026-07-04T15:36:29.893875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4237817f67a61999600c64d57f5fd04684711c3083ebc91498b95d89156fac71

Aliases

arxiv: 0901.0627 · arxiv_version: 0901.0627v1 · doi: 10.48550/arxiv.0901.0627 · pith_short_12: II3YC73HUYMZ · pith_short_16: II3YC73HUYMZSYAM · pith_short_8: II3YC73H

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/II3YC73HUYMZSYAMMTKX6X6QI2 \
  | 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: 4237817f67a61999600c64d57f5fd04684711c3083ebc91498b95d89156fac71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c5318b3ff57f9be229f85a6ec0ef1d558b2679d19ab1386cc9e031dc35fa8c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-01-06T11:02:58Z",
    "title_canon_sha256": "2ee2082764eb81dc7f3ccdefe6aced2a4ea8edb2492ff605f757daf89475e340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.0627",
    "kind": "arxiv",
    "version": 1
  }
}