Pith Number

pith:QD52EBQA

pith:2017:QD52EBQAMNNHQDRCQX6QSWELO6

not attested not anchored not stored refs pending

Can hail and rain nucleate cloud droplets?

Alain Pumir, Alexei Krekhov, Eberhard Bodenschatz, Prasanth Prabhakaran, Stephan Weiss

arxiv:1705.10501 v1 · 2017-05-30 · physics.ao-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{QD52EBQAMNNHQDRCQX6QSWELO6}

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	2026-05-18T00:34:18.245783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80fba20600635a780e2285fd09588b779d288d6538d47f642e873861a775d927

Aliases

arxiv: 1705.10501 · arxiv_version: 1705.10501v1 · doi: 10.48550/arxiv.1705.10501 · pith_short_12: QD52EBQAMNNH · pith_short_16: QD52EBQAMNNHQDRC · pith_short_8: QD52EBQA

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/QD52EBQAMNNHQDRCQX6QSWELO6 \
  | 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: 80fba20600635a780e2285fd09588b779d288d6538d47f642e873861a775d927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "043c02eb59ac0eb6c0eb8accfa2a023641737dd12b35ea8a3d99445ab810fc85",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2017-05-30T08:13:52Z",
    "title_canon_sha256": "8fbb212d532102bdea80c0e7102d918d6dbae9144cee55098ecbb3ab1d936b93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10501",
    "kind": "arxiv",
    "version": 1
  }
}