Pith Number

pith:DAVZ2OT4

pith:2013:DAVZ2OT4PK5BURM6PGG2ZRUBDU

not attested not anchored not stored refs pending

Fluffy dust forms icy planetesimals by static compression

Akimasa Kataoka, Hidekazu Tanaka, Koji Wada, Satoshi Okuzumi

arxiv:1307.7984 v2 · 2013-07-30 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DAVZ2OT4PK5BURM6PGG2ZRUBDU}

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	2026-05-18T01:48:32.867628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

182b9d3a7c7aba1a459e798dacc6811d32a6b53413581b1b636f4e95f0f4c753

Aliases

arxiv: 1307.7984 · arxiv_version: 1307.7984v2 · doi: 10.48550/arxiv.1307.7984 · pith_short_12: DAVZ2OT4PK5B · pith_short_16: DAVZ2OT4PK5BURM6 · pith_short_8: DAVZ2OT4

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/DAVZ2OT4PK5BURM6PGG2ZRUBDU \
  | 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: 182b9d3a7c7aba1a459e798dacc6811d32a6b53413581b1b636f4e95f0f4c753

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa77fb3dff3ca8b75054087585951e0b0a7e1eed378a58ffb644ed4a499f6896",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-07-30T14:04:14Z",
    "title_canon_sha256": "457261ce967074e9f425f6ed4a6db3f5968659bda86199ae57636f8b3ad7133f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7984",
    "kind": "arxiv",
    "version": 2
  }
}