Pith Number

pith:DITE3NSJ

pith:2015:DITE3NSJ4CPWKDWR34WKHESA6A

not attested not anchored not stored refs pending

Mathematical model of influence of friction on the vortex motion

Chin-Kun Hu, Jui-Ling Yu, Olga Rozanova

arxiv:1507.08308 v2 · 2015-07-25 · physics.flu-dyn · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DITE3NSJ4CPWKDWR34WKHESA6A}

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	2026-05-18T01:24:24.613948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a264db649e09f650ed1df2ca39240f00673c86bcf026eb5e45135a78b144f28

Aliases

arxiv: 1507.08308 · arxiv_version: 1507.08308v2 · doi: 10.48550/arxiv.1507.08308 · pith_short_12: DITE3NSJ4CPW · pith_short_16: DITE3NSJ4CPWKDWR · pith_short_8: DITE3NSJ

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/DITE3NSJ4CPWKDWR34WKHESA6A \
  | 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: 1a264db649e09f650ed1df2ca39240f00673c86bcf026eb5e45135a78b144f28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf5e5cce6c7cb7883a818c917f51847d637f13b229716a77a0cc708553791edc",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-07-25T03:56:10Z",
    "title_canon_sha256": "32cca8c87c51dde0673272f293e57d60133e3a5c7a719671f88198d0a8397a1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08308",
    "kind": "arxiv",
    "version": 2
  }
}