Pith Number

pith:SHHF5DRL

pith:2004:SHHF5DRLLZ3AYCIZLYJD6OITLN

not attested not anchored not stored refs pending

Dust coagulation in protoplanetary disks: a rapid depletion of small grains

C. Dominik, C.P. Dullemond

arxiv:astro-ph/0412117 v1 · 2004-12-06 · 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{SHHF5DRLLZ3AYCIZLYJD6OITLN}

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	2026-07-04T17:25:14.656525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91ce5e8e2b5e760c09195e123f39135b6c0259de55e222df1238fc0aac2236e0

Aliases

arxiv: astro-ph/0412117 · arxiv_version: astro-ph/0412117v1 · doi: 10.48550/arxiv.astro-ph/0412117 · pith_short_12: SHHF5DRLLZ3A · pith_short_16: SHHF5DRLLZ3AYCIZ · pith_short_8: SHHF5DRL

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/SHHF5DRLLZ3AYCIZLYJD6OITLN \
  | 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: 91ce5e8e2b5e760c09195e123f39135b6c0259de55e222df1238fc0aac2236e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2870ca6da2f7b7cc1cc555bd5d49aa53f0d7a1f99aae4ef57a948caea48f5be0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-06T10:25:36Z",
    "title_canon_sha256": "0d89ec96544e5c816132fa964b38fdebc7685a3bf8710f7404c9b821044548ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412117",
    "kind": "arxiv",
    "version": 1
  }
}