Pith Number

pith:VCQ3USXN

pith:2012:VCQ3USXNPULH7IV2TKV2Z5MC22

not attested not anchored not stored refs pending

PKN problem for non-Newtonian fluid

Alexander Linkov

arxiv:1208.2358 v1 · 2012-08-11 · 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{VCQ3USXNPULH7IV2TKV2Z5MC22}

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	2026-05-18T03:48:58.078211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8a1ba4aed7d167fa2ba9aabacf582d6961880015c725fb74d41704c26b4d910

Aliases

arxiv: 1208.2358 · arxiv_version: 1208.2358v1 · doi: 10.48550/arxiv.1208.2358 · pith_short_12: VCQ3USXNPULH · pith_short_16: VCQ3USXNPULH7IV2 · pith_short_8: VCQ3USXN

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/VCQ3USXNPULH7IV2TKV2Z5MC22 \
  | 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: a8a1ba4aed7d167fa2ba9aabacf582d6961880015c725fb74d41704c26b4d910

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ed4d75fd4e78ff8d643c8fc10936553cfa47ae17042f1e2031e5724f73c5ca8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2012-08-11T15:10:44Z",
    "title_canon_sha256": "ee78c9c27415a58ffe7f4764481f347994ae0a8a88446717a4f077adebe180ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2358",
    "kind": "arxiv",
    "version": 1
  }
}