Pith Number

pith:CWNUABZB

pith:2013:CWNUABZBJFQUIDWU4TEEZ5MQEH

not attested not anchored not stored refs pending

Can planetesimals form by collisional fusion?

2), 3) ((1) NORDITA (2) Yale University (3) Stockholm University), Axel Brandenburg (1, Dhrubaditya Mitra (1), J.S. Wettlaufer (1

arxiv:1306.3672 v1 · 2013-06-16 · astro-ph.EP · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWNUABZBJFQUIDWU4TEEZ5MQEH}

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	2026-05-18T03:16:50.927131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

159b4007214961440ed4e4c84cf59021dbc311e7432e911bec606a41800c1620

Aliases

arxiv: 1306.3672 · arxiv_version: 1306.3672v1 · doi: 10.48550/arxiv.1306.3672 · pith_short_12: CWNUABZBJFQU · pith_short_16: CWNUABZBJFQUIDWU · pith_short_8: CWNUABZB

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/CWNUABZBJFQUIDWU4TEEZ5MQEH \
  | 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: 159b4007214961440ed4e4c84cf59021dbc311e7432e911bec606a41800c1620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eddd579cc2b8576a6708cc67c2f47ae9ab44b1ccd03a6105ba021827d1a5b53f",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-06-16T15:59:52Z",
    "title_canon_sha256": "e7341fea1b36229633fb576195a54a4751b80d0670d8437449ea6a6fac68387d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3672",
    "kind": "arxiv",
    "version": 1
  }
}