Pith Number

pith:X5EL5BEQ

pith:2009:X5EL5BEQMGHGQAAS43CACPCWB4

not attested not anchored not stored refs pending

The Star Cluster Population of the Spiral Galaxy NGC3370

(2) Herzberg Institute of Astrophysics National Research Council of Canada), Enzo Brocato (1), John P. Blakeslee (2) ((1) INAF-Osservatorio Astronomico di Teramo Italy, Michele Cantiello (1)

arxiv:0906.3432 v1 · 2009-06-18 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X5EL5BEQMGHGQAAS43CACPCWB4}

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	2026-05-18T02:13:19.065450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf48be8490618e680012e6c4013c560f1d3778f187c8dee90136841d160f3e6b

Aliases

arxiv: 0906.3432 · arxiv_version: 0906.3432v1 · doi: 10.48550/arxiv.0906.3432 · pith_short_12: X5EL5BEQMGHG · pith_short_16: X5EL5BEQMGHGQAAS · pith_short_8: X5EL5BEQ

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/X5EL5BEQMGHGQAAS43CACPCWB4 \
  | 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: bf48be8490618e680012e6c4013c560f1d3778f187c8dee90136841d160f3e6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc2d17214f368133ec980f76e7728162a9b240370b9ecab2be0e0403da2297fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-18T12:51:11Z",
    "title_canon_sha256": "217e8e17bfefddeffceb331d6435e37f48a1d92bc93d010383ff19d4700bebfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3432",
    "kind": "arxiv",
    "version": 1
  }
}