Pith Number

pith:KDER6CDB

pith:2009:KDER6CDB37JA5K53IMZOAJGXGD

not attested not anchored not stored refs pending

Homogeneous photometry and star counts in the field of 9 Galactic star clusters

Alexhander Loktin (Ural State University), Anton Seleznev (Ural State University), Edgardo Costa (UChile), Giovanni Carraro (ESO-Chile)

arxiv:0905.3017 v1 · 2009-05-19 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDER6CDB37JA5K53IMZOAJGXGD}

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	2026-05-18T02:13:38.753171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50c91f0861dfd20eabbb4332e024d730cc01320c30fbdadf96b45c143c97d0dc

Aliases

arxiv: 0905.3017 · arxiv_version: 0905.3017v1 · doi: 10.48550/arxiv.0905.3017 · pith_short_12: KDER6CDB37JA · pith_short_16: KDER6CDB37JA5K53 · pith_short_8: KDER6CDB

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/KDER6CDB37JA5K53IMZOAJGXGD \
  | 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: 50c91f0861dfd20eabbb4332e024d730cc01320c30fbdadf96b45c143c97d0dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46ac04ea49ff9b5f160d6d48f3fde4ab871bd12b0c279412ded06bc154d3dd3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-05-19T03:09:33Z",
    "title_canon_sha256": "819e49fd25f5a6835d191eade7f8774a33777899867e91cbc1e00d1bfd848643"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.3017",
    "kind": "arxiv",
    "version": 1
  }
}