Pith Number

pith:GV6NBDXO

pith:2001:GV6NBDXO6KHKRA4XH4J2K75IEN

not attested not anchored not stored refs pending

Dust Absorption and the Cosmic UV Flux Density

A. Buzzoni (TNG, A. Iovino (Oss. Astron. Brera), M. Massarotti (Oss. Astron. Capodimonte), Oss. Astron. Brera)

arxiv:astro-ph/0109013 v1 · 2001-09-03 · 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{GV6NBDXO6KHKRA4XH4J2K75IEN}

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	2026-05-18T01:07:45.552436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

357cd08eeef28ea883973f13a57fa823577c383a0f70f39a78311645391aabed

Aliases

arxiv: astro-ph/0109013 · arxiv_version: astro-ph/0109013v1 · doi: 10.48550/arxiv.astro-ph/0109013 · pith_short_12: GV6NBDXO6KHK · pith_short_16: GV6NBDXO6KHKRA4X · pith_short_8: GV6NBDXO

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/GV6NBDXO6KHKRA4XH4J2K75IEN \
  | 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: 357cd08eeef28ea883973f13a57fa823577c383a0f70f39a78311645391aabed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3339ef3dc502a893f577c62587f82ae9b08ddd51e156fd64db44e6a3d3f6753",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-03T08:28:41Z",
    "title_canon_sha256": "db7567b2da575f623c07c7698b523f1cc431386b6a4a422c1769099d4ca0d1df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109013",
    "kind": "arxiv",
    "version": 1
  }
}