Pith Number

pith:L47KTPVE

pith:2009:L47KTPVEBP3W755LKHNZ3DB6ZO

not attested not anchored not stored refs pending

Dust coagulation and fragmentation in molecular clouds. I. How collisions between dust aggregates alter the dust size distribution

A.G.G.M. Tielens, C. Dominik, C.W. Ormel, D. Paszun

arxiv:0906.1770 v1 · 2009-06-09 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L47KTPVEBP3W755LKHNZ3DB6ZO}

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	2026-05-18T02:13:21.176068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f3ea9bea40bf76ff7ab51db9d8c3ecbb8196ef30e3fc8f67d666a967b0bbfa4

Aliases

arxiv: 0906.1770 · arxiv_version: 0906.1770v1 · doi: 10.48550/arxiv.0906.1770 · pith_short_12: L47KTPVEBP3W · pith_short_16: L47KTPVEBP3W755L · pith_short_8: L47KTPVE

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/L47KTPVEBP3W755LKHNZ3DB6ZO \
  | 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: 5f3ea9bea40bf76ff7ab51db9d8c3ecbb8196ef30e3fc8f67d666a967b0bbfa4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d0850d2b884d10895427be0b99790623afc3f1fdf147c7ab3868b121f30ef0b",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-09T19:20:00Z",
    "title_canon_sha256": "12996a2421794fa162f6559876cbff7816c93c2f2a02fd9af66bb333ca82454f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1770",
    "kind": "arxiv",
    "version": 1
  }
}