Pith Number

pith:N745AZFP

pith:2009:N745AZFPZPAWNZLQ3KUUARV6HK

not attested not anchored not stored refs pending

Young open clusters in the Milky Way and Small Magellanic Cloud

Christophe Martayan (ESO-Chile, GEPI)

arxiv:0909.3029 v1 · 2009-09-16 · 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{N745AZFPZPAWNZLQ3KUUARV6HK}

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	2026-05-18T02:11:47.163807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ff9d064afcbc166e570daa94046be3ab8e516977f5715fef198e5dd101056b2

Aliases

arxiv: 0909.3029 · arxiv_version: 0909.3029v1 · doi: 10.48550/arxiv.0909.3029 · pith_short_12: N745AZFPZPAW · pith_short_16: N745AZFPZPAWNZLQ · pith_short_8: N745AZFP

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/N745AZFPZPAWNZLQ3KUUARV6HK \
  | 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: 6ff9d064afcbc166e570daa94046be3ab8e516977f5715fef198e5dd101056b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15edd0e8a6a1c46bd1b519481b2344b7e5de9acb9a2d1abc07fab035d38fc054",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-16T14:45:04Z",
    "title_canon_sha256": "d44e8910045fc1306ce48b8cdab8351cc24abcc8d0e56dddcbeebce91f6c445c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3029",
    "kind": "arxiv",
    "version": 1
  }
}