Pith Number

pith:4KOQQIOI

pith:2002:4KOQQIOIVD5NY5KZXU4T3HKMGL

not attested not anchored not stored refs pending

Searching for an Intrinsic Stellar Population in Compact High-Velocity Clouds

J. Kerp, R.E. Schulte-Ladbeck, U. Hopp

arxiv:astro-ph/0209429 v1 · 2002-09-20 · 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{4KOQQIOIVD5NY5KZXU4T3HKMGL}

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	2026-05-18T04:14:55.501341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e29d0821c8a8fadc7559bd393d9d4c32ec397a4291d9638d89a1c59d73d958a2

Aliases

arxiv: astro-ph/0209429 · arxiv_version: astro-ph/0209429v1 · doi: 10.48550/arxiv.astro-ph/0209429 · pith_short_12: 4KOQQIOIVD5N · pith_short_16: 4KOQQIOIVD5NY5KZ · pith_short_8: 4KOQQIOI

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/4KOQQIOIVD5NY5KZXU4T3HKMGL \
  | 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: e29d0821c8a8fadc7559bd393d9d4c32ec397a4291d9638d89a1c59d73d958a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed7e125416c1eff713490ddb6ca8084a6549e39c448cf390a88a8ffb7d06084e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-09-20T14:11:38Z",
    "title_canon_sha256": "16b33a43ef5513a66ec33e94115b41f8efcdf5ec08425f723fcc6b0a7eaa3afe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0209429",
    "kind": "arxiv",
    "version": 1
  }
}