Pith Number

pith:3KZ36U2E

pith:2014:3KZ36U2EFYIMBWYWECEDC4OXKM

not attested not anchored not stored refs pending

What is the apparent angle of a Kelvin ship wave pattern?

Ravindra Pethiyagoda, Scott W. McCue, Timothy J. Moroney

arxiv:1405.2500 v2 · 2014-05-11 · 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{3KZ36U2EFYIMBWYWECEDC4OXKM}

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	2026-05-18T02:16:39.381621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dab3bf53442e10c0db1620883171d7532eb31ee1b3f6ca75350c10e43a0b23af

Aliases

arxiv: 1405.2500 · arxiv_version: 1405.2500v2 · doi: 10.48550/arxiv.1405.2500 · pith_short_12: 3KZ36U2EFYIM · pith_short_16: 3KZ36U2EFYIMBWYW · pith_short_8: 3KZ36U2E

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/3KZ36U2EFYIMBWYWECEDC4OXKM \
  | 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: dab3bf53442e10c0db1620883171d7532eb31ee1b3f6ca75350c10e43a0b23af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8e8ad48f330b9457aa265e22224ab6b5a0d8009bf0f4b93aac9f0363f9ba8b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2014-05-11T06:37:12Z",
    "title_canon_sha256": "41cac4db9512813f819cf3c013ef1ad326454df1a9dc91a387a5337b8851265e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2500",
    "kind": "arxiv",
    "version": 2
  }
}