Pith Number

pith:ZUFLLKOJ

pith:2017:ZUFLLKOJNUY3SKF3MEHQ4Y3TMH

not attested not anchored not stored refs pending

A Low-rank solver for the Navier--Stokes equations with uncertain viscosity

Bed\v{r}ich Soused\'ik, Howard C. Elman, Kookjin Lee

arxiv:1710.05812 v1 · 2017-10-16 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZUFLLKOJNUY3SKF3MEHQ4Y3TMH}

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	2026-06-04T19:11:05.607421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd0ab5a9c96d31b928bb610f0e637361f9de10c9f5aaf2f58b390810c1fe8e57

Aliases

arxiv: 1710.05812 · arxiv_version: 1710.05812v1 · doi: 10.48550/arxiv.1710.05812 · pith_short_12: ZUFLLKOJNUY3 · pith_short_16: ZUFLLKOJNUY3SKF3 · pith_short_8: ZUFLLKOJ

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/ZUFLLKOJNUY3SKF3MEHQ4Y3TMH \
  | 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: cd0ab5a9c96d31b928bb610f0e637361f9de10c9f5aaf2f58b390810c1fe8e57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8be70168da3785a636cf2c2a83ab1091d21e9fd5ac21752811925f4069e2e605",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-10-16T16:17:45Z",
    "title_canon_sha256": "d4e41b385c62e611c40a2b0a9a40f18bda112a69562d98af2bf1c14ec26474fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05812",
    "kind": "arxiv",
    "version": 1
  }
}