Pith Number

pith:UWZXDQLH

pith:2000:UWZXDQLHASAZ5RPVD5BI7ZGBFZ

not attested not anchored not stored refs pending

A Comparison of UIT Far-Ultraviolet and H alpha Star Formation Rates

Eric F. Bell, Robert C. Kennicutt Jr. (Steward Observatory)

arxiv:astro-ph/0010340 v1 · 2000-10-17 · 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{UWZXDQLHASAZ5RPVD5BI7ZGBFZ}

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	2026-07-04T16:17:24.567262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5b371c16704819ec5f51f428fe4c12e4b5ddc00f246eb6e2630427ea52ba28b

Aliases

arxiv: astro-ph/0010340 · arxiv_version: astro-ph/0010340v1 · doi: 10.48550/arxiv.astro-ph/0010340 · pith_short_12: UWZXDQLHASAZ · pith_short_16: UWZXDQLHASAZ5RPV · pith_short_8: UWZXDQLH

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/UWZXDQLHASAZ5RPVD5BI7ZGBFZ \
  | 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: a5b371c16704819ec5f51f428fe4c12e4b5ddc00f246eb6e2630427ea52ba28b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "346c3c721e41d4eef05907d4e6206210834497e69228d158fdc3897bb1e8782c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-17T20:47:01Z",
    "title_canon_sha256": "c5ce07d13d5a037b92564cf626b5e91be5527aa0e61a2b2e5bb4f89eaebd2abb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010340",
    "kind": "arxiv",
    "version": 1
  }
}