Pith Number

pith:YETV33VA

pith:2002:YETV33VA66627CGXD6SHXP5Y4K

not attested not anchored not stored refs pending

Star formation in the warped outer pseudoring of the spiral galaxy NGC 3642

A. Bosma, E. Athanassoula, L. Verdes--Montenegro

arxiv:astro-ph/0205088 v1 · 2002-05-06 · 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{YETV33VA66627CGXD6SHXP5Y4K}

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	2026-07-04T16:29:58.685445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1275deea0f7bdaf88d71fa47bbfb8e2885295ed6f1911bbb9651dfee076cd1e

Aliases

arxiv: astro-ph/0205088 · arxiv_version: astro-ph/0205088v1 · doi: 10.48550/arxiv.astro-ph/0205088 · pith_short_12: YETV33VA6662 · pith_short_16: YETV33VA66627CGX · pith_short_8: YETV33VA

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/YETV33VA66627CGXD6SHXP5Y4K \
  | 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: c1275deea0f7bdaf88d71fa47bbfb8e2885295ed6f1911bbb9651dfee076cd1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42b7e40a75f2a4b6765ba7af04ed58d215aeaedb9d66c2e9813ed11246b094be",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-05-06T20:01:49Z",
    "title_canon_sha256": "3304dd49ed76b85900d03a679bbfde70ec0d3de5eb49dd272f29222a3c246ff8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0205088",
    "kind": "arxiv",
    "version": 1
  }
}