Pith Number

pith:7IUFKZOW

pith:2002:7IUFKZOWIR3OPGMZFWT5H25BZP

not attested not anchored not stored refs pending

Selection of dune shapes and velocities. Part 2: A two-dimensional modelling

Bruno Andreotti, Philippe Claudin

arxiv:cond-mat/0201105 v1 · 2002-01-08 · cond-mat · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7IUFKZOWIR3OPGMZFWT5H25BZP}

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	2026-05-18T01:40:06.053838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa285565d64476e799992da7d3eba1cbf8d976ae7a0c67ab8a1d22a2924390f7

Aliases

arxiv: cond-mat/0201105 · arxiv_version: cond-mat/0201105v1 · doi: 10.48550/arxiv.cond-mat/0201105 · pith_short_12: 7IUFKZOWIR3O · pith_short_16: 7IUFKZOWIR3OPGMZ · pith_short_8: 7IUFKZOW

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/7IUFKZOWIR3OPGMZFWT5H25BZP \
  | 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: fa285565d64476e799992da7d3eba1cbf8d976ae7a0c67ab8a1d22a2924390f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8ad034ffc8c8ecd0dd5946229b3d687da7df5e6fa8d160359b8c0f0a9082857",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "2002-01-08T13:43:19Z",
    "title_canon_sha256": "cd0bd308359b5d87a5aa06c90c9fe7d01da4705bbeef0ce4bb6828efe5568bfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0201105",
    "kind": "arxiv",
    "version": 1
  }
}