Pith Number

pith:CUWJMUTA

pith:2014:CUWJMUTAOKMAL462IDLYDQBP7R

not attested not anchored not stored refs pending

Jumping the Gap: The Formation Conditions and Mass Function of Pebble-Pile Planetesimals

Philip F. Hopkins (Caltech)

arxiv:1401.2458 v3 · 2014-01-10 · astro-ph.EP · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUWJMUTAOKMAL462IDLYDQBP7R}

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	2026-05-18T00:59:59.286090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

152c965260729805f3da40d781c02ffc4ffb265b88b10ab3c546c50cde9ab57e

Aliases

arxiv: 1401.2458 · arxiv_version: 1401.2458v3 · doi: 10.48550/arxiv.1401.2458 · pith_short_12: CUWJMUTAOKMA · pith_short_16: CUWJMUTAOKMAL462 · pith_short_8: CUWJMUTA

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/CUWJMUTAOKMAL462IDLYDQBP7R \
  | 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: 152c965260729805f3da40d781c02ffc4ffb265b88b10ab3c546c50cde9ab57e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75e6057e990e806e422b1e0f2e0af7ea3a9b4640f816f46e6ae2e9caab93c7df",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-01-10T21:00:03Z",
    "title_canon_sha256": "97d1a1ffe4dd520df154967cb94daf555aedac913e9237beff6a95db333a0d10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2458",
    "kind": "arxiv",
    "version": 3
  }
}