Pith Number

pith:4R7BJTKA

pith:2015:4R7BJTKA5E2YMP5JCO35AQ3KUC

not attested not anchored not stored refs pending

Swimming of a deformable slab in a viscous incompressible fluid with inertia

B. U. Felderhof

arxiv:1507.01186 v4 · 2015-07-05 · 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{4R7BJTKA5E2YMP5JCO35AQ3KUC}

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	2026-05-18T01:00:10.183078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e47e14cd40e935863fa913b7d0436aa082ef77b4f6621f022e79c8be9f1ceb25

Aliases

arxiv: 1507.01186 · arxiv_version: 1507.01186v4 · doi: 10.48550/arxiv.1507.01186 · pith_short_12: 4R7BJTKA5E2Y · pith_short_16: 4R7BJTKA5E2YMP5J · pith_short_8: 4R7BJTKA

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/4R7BJTKA5E2YMP5JCO35AQ3KUC \
  | 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: e47e14cd40e935863fa913b7d0436aa082ef77b4f6621f022e79c8be9f1ceb25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11ea561109c86bc17e228e07e1ab38e951e3e050c21c114ced50fdcb1e05a975",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-07-05T10:19:23Z",
    "title_canon_sha256": "e79abf1c47aa0798f4b397f5f45b7534ba9ca8e90d7b68428319f1a2c1e211d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01186",
    "kind": "arxiv",
    "version": 4
  }
}