Pith Number

pith:ZKJZGF3Z

pith:2005:ZKJZGF3ZTIVXB57OKFGZJOR66Q

not attested not anchored not stored refs pending

A HST study of the stellar populations in the cometary dwarf irregular galaxy NGC 2366

(2) Main Astronomical Observatory, Charlottesville, Kyiv, T.X.Thuan (1), Ukraine), University of Virginia, USA, Y.I.Izotov (2) ((1) Astronomy Department

arxiv:astro-ph/0503429 v1 · 2005-03-19 · 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{ZKJZGF3ZTIVXB57OKFGZJOR66Q}

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	2026-07-04T16:51:02.277155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca939317799a2b70f7ee514d94ba3ef4230f0c4d9519bfdbe782450d3d28e856

Aliases

arxiv: astro-ph/0503429 · arxiv_version: astro-ph/0503429v1 · doi: 10.48550/arxiv.astro-ph/0503429 · pith_short_12: ZKJZGF3ZTIVX · pith_short_16: ZKJZGF3ZTIVXB57O · pith_short_8: ZKJZGF3Z

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/ZKJZGF3ZTIVXB57OKFGZJOR66Q \
  | 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: ca939317799a2b70f7ee514d94ba3ef4230f0c4d9519bfdbe782450d3d28e856

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fd59e153bc36644f545a7715f027ea23b66e0713381f7f67fe3ddd3a4117400",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-19T22:25:08Z",
    "title_canon_sha256": "03cdd84750a31be8c34edb12e8bd070327ae5f0150ea25e97051697cdc721185"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503429",
    "kind": "arxiv",
    "version": 1
  }
}