Pith Number

pith:UUZGCVQW

pith:2014:UUZGCVQWESVNE3FO3T5IYFRJIB

not attested not anchored not stored refs pending

Separability of drag and thrust in undulatory animals and machines

Amneet Pal Singh Bhalla, Anup A. Shirgaonkar, Izaak D. Neveln, Malcolm A. MacIver, Neelesh A. Patankar, Rahul Bale

arxiv:1402.1544 v1 · 2014-02-07 · physics.flu-dyn · physics.bio-ph · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUZGCVQWESVNE3FO3T5IYFRJIB}

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	2026-05-18T02:28:05.407532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a53261561624aad26caedcfa8c16294079ace6ac6ba7a41c9305130e129be0dc

Aliases

arxiv: 1402.1544 · arxiv_version: 1402.1544v1 · doi: 10.48550/arxiv.1402.1544 · pith_short_12: UUZGCVQWESVN · pith_short_16: UUZGCVQWESVNE3FO · pith_short_8: UUZGCVQW

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/UUZGCVQWESVNE3FO3T5IYFRJIB \
  | 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: a53261561624aad26caedcfa8c16294079ace6ac6ba7a41c9305130e129be0dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cbff38b002bc01f43afc275da044522f586c9a6895bb6f55f8dcf48e849e363",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2014-02-07T02:56:36Z",
    "title_canon_sha256": "4d03dd15debe95a3fd1b71373e12bef891e00155046dc67daeb9104739423b31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1544",
    "kind": "arxiv",
    "version": 1
  }
}