Pith Number

pith:Y5VORFC6

pith:2000:Y5VORFC63CHOGFON3BR6J3FPSM

not attested not anchored not stored refs pending

ISO spectroscopy of circumstellar dust in 14 Herbig Ae/Be systems: towards an understanding of dust processing

C. Waelkens, G. Meeus, J. Bouwman, K. Malfait, L.B.F.M. Waters, M.E. van den Ancker

arxiv:astro-ph/0012295 v1 · 2000-12-13 · 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{Y5VORFC63CHOGFON3BR6J3FPSM}

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	2026-05-18T02:40:36.566226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c76ae8945ed88ee315cdd863e4ecaf9329b8c2205d7e4f7bfdb2594557957bad

Aliases

arxiv: astro-ph/0012295 · arxiv_version: astro-ph/0012295v1 · doi: 10.48550/arxiv.astro-ph/0012295 · pith_short_12: Y5VORFC63CHO · pith_short_16: Y5VORFC63CHOGFON · pith_short_8: Y5VORFC6

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/Y5VORFC63CHOGFON3BR6J3FPSM \
  | 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: c76ae8945ed88ee315cdd863e4ecaf9329b8c2205d7e4f7bfdb2594557957bad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5829a1de1cac71a76373255b689225c9b0b90b2f6a52792a9020f9c238871305",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-12-13T18:10:23Z",
    "title_canon_sha256": "6c62e20c1afcacadb146b4a18816fe33bb44bac7e379a50786e50a9034a84165"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0012295",
    "kind": "arxiv",
    "version": 1
  }
}