Pith Number

pith:QWNJD43I

pith:2018:QWNJD43I4SF3P4RFMGYEZTFFPQ

not attested not anchored not stored refs pending

Experiments on wave propagation in grease ice: combined wave gauges and PIV measurements

Aleksey Marchenko, Atle Jensen, Graig Sutherland, Jean Rabault, Kai H Christensen

arxiv:1809.01476 v2 · 2018-09-05 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QWNJD43I4SF3P4RFMGYEZTFFPQ}

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	2026-05-17T23:50:24.080918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

859a91f368e48bb7f22561b04ccca57c3c85312432dd234eb549a9b383c4256d

Aliases

arxiv: 1809.01476 · arxiv_version: 1809.01476v2 · doi: 10.48550/arxiv.1809.01476 · pith_short_12: QWNJD43I4SF3 · pith_short_16: QWNJD43I4SF3P4RF · pith_short_8: QWNJD43I

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/QWNJD43I4SF3P4RFMGYEZTFFPQ \
  | 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: 859a91f368e48bb7f22561b04ccca57c3c85312432dd234eb549a9b383c4256d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a79fab8a1c01a9e0be3e7f1e0211fd4c3aaf539585e6651b1968a2ca9ab69d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-09-05T13:13:26Z",
    "title_canon_sha256": "23f8b2af9024f774e0bccd2670aed6706b34f56b1699521c3b5221d5871ed2f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01476",
    "kind": "arxiv",
    "version": 2
  }
}