Pith Number

pith:EGMUPOTN

pith:2012:EGMUPOTN2WQD764B4OPB5JZ7FU

not attested not anchored not stored refs pending

Field evidence for the upwind velocity shift at the crest of low dunes

B. Andreotti, G.F.S. Wiggs, P. Claudin

arxiv:1205.4411 v2 · 2012-05-20 · cond-mat.soft · physics.geo-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{EGMUPOTN2WQD764B4OPB5JZ7FU}

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	2026-05-18T01:57:25.331931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

219947ba6dd5a03ffb81e39e1ea73f2d26b1dfcfed95d54960b751c770a1396d

Aliases

arxiv: 1205.4411 · arxiv_version: 1205.4411v2 · doi: 10.48550/arxiv.1205.4411 · pith_short_12: EGMUPOTN2WQD · pith_short_16: EGMUPOTN2WQD764B · pith_short_8: EGMUPOTN

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/EGMUPOTN2WQD764B4OPB5JZ7FU \
  | 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: 219947ba6dd5a03ffb81e39e1ea73f2d26b1dfcfed95d54960b751c770a1396d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dab438272d4d74bdaa2214e6a724e47a723d1e76a86965c6b7eb9b4f7007b9c1",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2012-05-20T12:46:16Z",
    "title_canon_sha256": "b0e6051bdaf370957d9e48e1111079b3de653657bef82bd056c8288462744006"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4411",
    "kind": "arxiv",
    "version": 2
  }
}