Pith Number

pith:GRBUDS3Q

pith:2015:GRBUDS3Q3BU7SUDMW6YYYI3DOC

not attested not anchored not stored refs pending

Raindrop impact on sand: a dynamic explanation of crater morphologies

Devaraj van der Meer, Rianne de Jong, Song-Chuan Zhao

arxiv:1502.07103 v2 · 2015-02-25 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GRBUDS3Q3BU7SUDMW6YYYI3DOC}

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	2026-05-18T01:27:05.413365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

344341cb70d869f9506cb7b18c23637097d6e23a0ebdef84615ec5e69c97f156

Aliases

arxiv: 1502.07103 · arxiv_version: 1502.07103v2 · doi: 10.48550/arxiv.1502.07103 · pith_short_12: GRBUDS3Q3BU7 · pith_short_16: GRBUDS3Q3BU7SUDM · pith_short_8: GRBUDS3Q

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/GRBUDS3Q3BU7SUDMW6YYYI3DOC \
  | 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: 344341cb70d869f9506cb7b18c23637097d6e23a0ebdef84615ec5e69c97f156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2c31e471802252477352be1a5bf5fa4c32a631459c76ed1cfda4e0c10a1c522",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2015-02-25T10:08:02Z",
    "title_canon_sha256": "e2b50f38b128d258c4524db4673381f5da05c1e24b3858bd2e86b10fc84f48a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07103",
    "kind": "arxiv",
    "version": 2
  }
}