Pith Number

pith:5RRWCG4H

pith:2000:5RRWCG4HXKNZXNKCCDL6PFQP4N

not attested not anchored not stored refs pending

The Effects of Dust on the Spectral Energy Distributions of Star-Forming Galaxies

Daniela Calzetti (Space Telescope Science Institute)

arxiv:astro-ph/0008403 v1 · 2000-08-25 · 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{5RRWCG4HXKNZXNKCCDL6PFQP4N}

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	2026-07-04T16:17:04.745488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec63611b87ba9b9bb54210d7e7960fe36e1b1121a6e262d0e6a189e4f983f854

Aliases

arxiv: astro-ph/0008403 · arxiv_version: astro-ph/0008403v1 · doi: 10.48550/arxiv.astro-ph/0008403 · pith_short_12: 5RRWCG4HXKNZ · pith_short_16: 5RRWCG4HXKNZXNKC · pith_short_8: 5RRWCG4H

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/5RRWCG4HXKNZXNKCCDL6PFQP4N \
  | 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: ec63611b87ba9b9bb54210d7e7960fe36e1b1121a6e262d0e6a189e4f983f854

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a4948c58f687a6ddcd7d2fdab3753a9d1954e199f04820dbbb6aa2f1058abc6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-08-25T17:50:15Z",
    "title_canon_sha256": "f2c8698c369c4701442f0ba1867bc01c07863391cbc78b90d8aff85857b80069"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0008403",
    "kind": "arxiv",
    "version": 1
  }
}