Pith Number

pith:NRNIVP53

pith:2026:NRNIVP53ZATFZGFH3VGBFLRGVM

not attested not anchored not stored refs pending

A Quantum Spectral Solver for Periodic Incompressible Stokes Flow

Fehmi Cirak, Juan M. Gimenez, Michael Ortiz

arxiv:2606.30447 v1 · 2026-06-29 · 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{NRNIVP53ZATFZGFH3VGBFLRGVM}

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	2026-06-30T02:18:15.511173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c5a8abfbbc8265c98a7dd4c12ae26ab3bd9aabd2966c9e3a7e611504b750549

Aliases

arxiv: 2606.30447 · arxiv_version: 2606.30447v1 · doi: 10.48550/arxiv.2606.30447 · pith_short_12: NRNIVP53ZATF · pith_short_16: NRNIVP53ZATFZGFH · pith_short_8: NRNIVP53

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/NRNIVP53ZATFZGFH3VGBFLRGVM \
  | 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: 6c5a8abfbbc8265c98a7dd4c12ae26ab3bd9aabd2966c9e3a7e611504b750549

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a7831cb9c923a0afaf30b48997b60961b17e8d359712867eae368c2e8e5b684",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-29T15:18:17Z",
    "title_canon_sha256": "ead30bf5ce6ae133b358538ee8f8b3585d1540790e3c4b29b671c5e1da85896b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30447",
    "kind": "arxiv",
    "version": 1
  }
}