Pith Number

pith:7NGC2A6A

pith:2017:7NGC2A6AMAN4DASMRJ3TSX7KQI

not attested not anchored not stored refs pending

Flow speed has little impact on propulsive characteristics of oscillating foils

Alexander J. Smits, Daniel Floryan, Nathaniel Wei, Tyler Van Buren

arxiv:1707.05608 v2 · 2017-07-18 · 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{7NGC2A6AMAN4DASMRJ3TSX7KQI}

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	2026-05-18T00:24:17.081025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb4c2d03c0601bc1824c8a77395fea8220b7d25001debeab52c41c54dd6de014

Aliases

arxiv: 1707.05608 · arxiv_version: 1707.05608v2 · doi: 10.48550/arxiv.1707.05608 · pith_short_12: 7NGC2A6AMAN4 · pith_short_16: 7NGC2A6AMAN4DASM · pith_short_8: 7NGC2A6A

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/7NGC2A6AMAN4DASMRJ3TSX7KQI \
  | 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: fb4c2d03c0601bc1824c8a77395fea8220b7d25001debeab52c41c54dd6de014

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a352b20333bf308c343d5b374cf8c544a281d11e8fce0ac104417a541cbbb3b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-07-18T13:47:13Z",
    "title_canon_sha256": "56d88684c4672d4f11187eb79147f5189b5ad120a741a4d13df39245824de5ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05608",
    "kind": "arxiv",
    "version": 2
  }
}