Pith Number

pith:3SL4LY3U

pith:2018:3SL4LY3UPS5KMRO4EXKUARO2UY

not attested not anchored not stored refs pending

Regularized Stokeslet segments

Ricardo Cortez

arxiv:1807.08444 v1 · 2018-07-23 · math.NA · 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{3SL4LY3UPS5KMRO4EXKUARO2UY}

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	2026-05-18T00:03:15.701372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc97c5e3747cbaa645dc25d54045daa61439a021b6b67cfbb462e3466cb607a6

Aliases

arxiv: 1807.08444 · arxiv_version: 1807.08444v1 · doi: 10.48550/arxiv.1807.08444 · pith_short_12: 3SL4LY3UPS5K · pith_short_16: 3SL4LY3UPS5KMRO4 · pith_short_8: 3SL4LY3U

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/3SL4LY3UPS5KMRO4EXKUARO2UY \
  | 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: dc97c5e3747cbaa645dc25d54045daa61439a021b6b67cfbb462e3466cb607a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e480bba563b21eaac7ed2abec2e3c13c07909b55c0142c4cc06f320fa1a4ed6",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-23T06:37:52Z",
    "title_canon_sha256": "f21c7e4b40a3548d1d4c07cc7711ef458b26c55c17b0ef2dff16464f1273f380"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08444",
    "kind": "arxiv",
    "version": 1
  }
}