Pith Number

pith:QPRHLJI2

pith:2016:QPRHLJI2MC7SBRA7WBU5FT4K2A

not attested not anchored not stored refs pending

Optimal undulating swimming for a single fish-like body and for a pair of interacting swimmers

Amy Gao, Audrey P. Maertens, Michael S. Triantafyllou

arxiv:1604.01065 v1 · 2016-04-04 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPRHLJI2MC7SBRA7WBU5FT4K2A}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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.

Cited by

1 paper in Pith

Optimized Fish Locomotion using Design-by-Morphing and Bayesian Optimization

Receipt and verification

First computed	2026-05-18T00:47:15.095794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83e275a51a60bf20c41fb069d2cf8ad00c913e929ae7392ed7fef5d25d4b0f8c

Aliases

arxiv: 1604.01065 · arxiv_version: 1604.01065v1 · doi: 10.48550/arxiv.1604.01065 · pith_short_12: QPRHLJI2MC7S · pith_short_16: QPRHLJI2MC7SBRA7 · pith_short_8: QPRHLJI2

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/QPRHLJI2MC7SBRA7WBU5FT4K2A \
  | 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: 83e275a51a60bf20c41fb069d2cf8ad00c913e929ae7392ed7fef5d25d4b0f8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ebd9fdaad665c8a6ce028266039b49710dd1060a2d405331afbf992e8c78498",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2016-04-04T21:11:33Z",
    "title_canon_sha256": "3af51e1229d1abd9e08c4d2f33fc95848308f5b447d9b20c14b6f2b2457a3de2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.01065",
    "kind": "arxiv",
    "version": 1
  }
}