Pith Number

pith:F3XC6RUN

pith:2006:F3XC6RUN64UCGIUAOGA6I3NNJC

not attested not anchored not stored refs pending

The Signature of Primordial Grain Growth in the Polarized Light of the AU Mic Debris Disk

Brenda C. Matthews (HIA), James R. Graham, Paul G. Kalas (Berkeley)

arxiv:astro-ph/0609332 v1 · 2006-09-12 · 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{F3XC6RUN64UCGIUAOGA6I3NNJC}

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	2026-05-18T04:28:57.786718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eee2f468df7282322807181e46dad4886ba795db20bd7dab03d33cdd228b173

Aliases

arxiv: astro-ph/0609332 · arxiv_version: astro-ph/0609332v1 · doi: 10.48550/arxiv.astro-ph/0609332 · pith_short_12: F3XC6RUN64UC · pith_short_16: F3XC6RUN64UCGIUA · pith_short_8: F3XC6RUN

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/F3XC6RUN64UCGIUAOGA6I3NNJC \
  | 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: 2eee2f468df7282322807181e46dad4886ba795db20bd7dab03d33cdd228b173

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c86117e63479e4228ab6e64116e441b0ee86eee9f9e011bfd2435075a33eea5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-12T21:13:11Z",
    "title_canon_sha256": "38710d753a06273a4d76245e93c7f86db1320d38c5aeeb4cda48785187337107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609332",
    "kind": "arxiv",
    "version": 1
  }
}