Pith Number

pith:JABI3U5T

pith:2000:JABI3U5TXSOC7AQLLNRDWVFCIX

not attested not anchored not stored refs pending

Modelling the Extinction Properties of Galaxies

A. Bressan, C.G. Lacey, C.M. Baugh, C.S. Frenk, G.L. Granato, L. Silva, S. Cole

arxiv:astro-ph/0008216 v1 · 2000-08-15 · 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{JABI3U5TXSOC7AQLLNRDWVFCIX}

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	2026-07-04T16:17:02.510699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48028dd3b3bc9c2f820b5b623b54a245c50f140bc78dc012705726bcb71de1ae

Aliases

arxiv: astro-ph/0008216 · arxiv_version: astro-ph/0008216v1 · doi: 10.48550/arxiv.astro-ph/0008216 · pith_short_12: JABI3U5TXSOC · pith_short_16: JABI3U5TXSOC7AQL · pith_short_8: JABI3U5T

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/JABI3U5TXSOC7AQLLNRDWVFCIX \
  | 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: 48028dd3b3bc9c2f820b5b623b54a245c50f140bc78dc012705726bcb71de1ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b39acad64b5351c68b97c089691b6ff57e2ea9f96798896c16e86448b434b5be",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-08-15T14:29:49Z",
    "title_canon_sha256": "1f70e2d96ff957c738cefa4c6c8b2ea1e9ecab3fdb828a8829669f207f7be863"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0008216",
    "kind": "arxiv",
    "version": 1
  }
}