Pith Number

pith:3FAPYOUH

pith:2017:3FAPYOUH6UL66JBQHCIU74YMCU

not attested not anchored not stored refs pending

Scaling the propulsive performance of heaving and pitching foils

Alexander J. Smits, Clarence W. Rowley, Daniel Floryan, Tyler Van Buren

arxiv:1704.07478 v1 · 2017-04-24 · 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{3FAPYOUH6UL66JBQHCIU74YMCU}

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	2026-05-18T00:42:45.925113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d940fc3a87f517ef243038914ff30c1526d9e0f697d2e49a225d5ec2bc7a9aa1

Aliases

arxiv: 1704.07478 · arxiv_version: 1704.07478v1 · doi: 10.48550/arxiv.1704.07478 · pith_short_12: 3FAPYOUH6UL6 · pith_short_16: 3FAPYOUH6UL66JBQ · pith_short_8: 3FAPYOUH

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/3FAPYOUH6UL66JBQHCIU74YMCU \
  | 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: d940fc3a87f517ef243038914ff30c1526d9e0f697d2e49a225d5ec2bc7a9aa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23ee8adbde61de1e64db787bb75a1bc209cf9bf2b4d28de7a01693998dc0bab4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-04-24T22:13:08Z",
    "title_canon_sha256": "a0cf0a318a437db3e1a342f65068d9d26e953633debbc080208a61e719a376ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07478",
    "kind": "arxiv",
    "version": 1
  }
}