Pith Number

pith:ACUL3QX2

pith:2005:ACUL3QX2VM4DEHMMCGW3VGMJZU

not attested not anchored not stored refs pending

The 10 micron amorphous silicate feature of fractal aggregates and compact particles with complex shapes

A. de Koter, C. Dominik, J.W. Hovenier, L.B.F.M. Waters, M. Min

arxiv:astro-ph/0509376 v1 · 2005-09-14 · 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{ACUL3QX2VM4DEHMMCGW3VGMJZU}

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	2026-07-04T16:52:53.889917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00a8bdc2faab38321d8c11adba9989cd3d1bfbf4ecf915976145649cbab04d81

Aliases

arxiv: astro-ph/0509376 · arxiv_version: astro-ph/0509376v1 · doi: 10.48550/arxiv.astro-ph/0509376 · pith_short_12: ACUL3QX2VM4D · pith_short_16: ACUL3QX2VM4DEHMM · pith_short_8: ACUL3QX2

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/ACUL3QX2VM4DEHMMCGW3VGMJZU \
  | 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: 00a8bdc2faab38321d8c11adba9989cd3d1bfbf4ecf915976145649cbab04d81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ab283d7e4c28e870f7e504167a8b1043240f83edf1ddc0f9e45b1d35988e3e2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-14T09:04:05Z",
    "title_canon_sha256": "11032bf058b4ddc0dcad3244aa3d3361f1e5b490becb57c1b071bc83e43aef2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509376",
    "kind": "arxiv",
    "version": 1
  }
}