Pith Number

pith:6I6DA7T3

pith:2015:6I6DA7T355HX2UT5RSTJ7SL2U6

not attested not anchored not stored refs pending

Propulsion of a two-sphere swimmer

Daphne Klotsa, Kyle A. Baldwin, Michael R. Swift, Richard J. A. Hill, Roger M. Bowley

arxiv:1501.05143 v2 · 2015-01-21 · physics.flu-dyn · cond-mat.soft · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6I6DA7T355HX2UT5RSTJ7SL2U6}

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	2026-05-18T01:10:33.523865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f23c307e7bef4f7d527d8ca69fc97aa79c4bce5756f2283f2cc679c970716321

Aliases

arxiv: 1501.05143 · arxiv_version: 1501.05143v2 · doi: 10.48550/arxiv.1501.05143 · pith_short_12: 6I6DA7T355HX · pith_short_16: 6I6DA7T355HX2UT5 · pith_short_8: 6I6DA7T3

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/6I6DA7T355HX2UT5RSTJ7SL2U6 \
  | 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: f23c307e7bef4f7d527d8ca69fc97aa79c4bce5756f2283f2cc679c970716321

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4daa8c09c7b6b562bebda9d987a4afc748c609ca710587a30365ce73292c8bdc",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-01-21T11:45:24Z",
    "title_canon_sha256": "67d031dab263a54ba56d7e34bbdee7db75cc62a4826dedb1770090e51b1df1ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05143",
    "kind": "arxiv",
    "version": 2
  }
}