Pith Number

pith:WKKK4HHT

pith:2002:WKKK4HHTRM332XCK7IH2DWO2NO

not attested not anchored not stored refs pending

Variation of Molecular Cloud Properties across the Spiral Arm in M 51

(2) Tohoku University, (3) Nobeyama Radio Observatory, (4) Submillimeter Array, Harvard-Smithsonian Center for Astrophysics), N.Kuno (3), S.Matsushita (4) ((1)Gunma Astronomical Observatory, T.Hasegawa (1), T.Tosaki (1), Y.Shioya (2)

arxiv:astro-ph/0203024 v1 · 2002-03-02 · 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{WKKK4HHTRM332XCK7IH2DWO2NO}

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	2026-05-18T01:40:43.176296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b294ae1cf38b37bd5c4afa0fa1d9da6bb068b4abd863c8a8b5ae642732eb4714

Aliases

arxiv: astro-ph/0203024 · arxiv_version: astro-ph/0203024v1 · doi: 10.48550/arxiv.astro-ph/0203024 · pith_short_12: WKKK4HHTRM33 · pith_short_16: WKKK4HHTRM332XCK · pith_short_8: WKKK4HHT

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/WKKK4HHTRM332XCK7IH2DWO2NO \
  | 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: b294ae1cf38b37bd5c4afa0fa1d9da6bb068b4abd863c8a8b5ae642732eb4714

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6759818c7b9f57ecb6e9b25faecb1050a25d073f276b670c7299cef111ca7efb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-02T08:23:05Z",
    "title_canon_sha256": "565d337f5faf084dc678e21c314ff849cacdc08b0d2f5fe7409eb9564a7af34b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203024",
    "kind": "arxiv",
    "version": 1
  }
}