Pith Number

pith:3BGOA3ZK

pith:2026:3BGOA3ZK3NMVLNVADL7P3WRXRV

not attested not anchored not stored refs pending

Sparse POD Mode Selection and Manifold Dimensionality Reduction with Neural Networks

Elizabeth Qian, Julie Bessac, Marc T. Henry de Frahan, Prakash Mohan, Tomoki Koike

arxiv:2605.27756 v1 · 2026-05-26 · physics.flu-dyn · cs.LG · cs.NA · math.DS · math.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{3BGOA3ZK3NMVLNVADL7P3WRXRV}

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	2026-05-28T01:04:48.041229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d84ce06f2adb5955b6a01afefdda378d64cf67239746760b2b450bd0c502219f

Aliases

arxiv: 2605.27756 · arxiv_version: 2605.27756v1 · doi: 10.48550/arxiv.2605.27756 · pith_short_12: 3BGOA3ZK3NMV · pith_short_16: 3BGOA3ZK3NMVLNVA · pith_short_8: 3BGOA3ZK

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/3BGOA3ZK3NMVLNVADL7P3WRXRV \
  | 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: d84ce06f2adb5955b6a01afefdda378d64cf67239746760b2b450bd0c502219f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cfaa6e18dc51c56af03a6b0ad2196c34b80961af99ec5d727d5b10acd4e0e6f",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.DS",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-05-26T23:10:05Z",
    "title_canon_sha256": "29c2c905444417c332d17e7434e863cc7450febef88ff13dfd7571d007704e4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27756",
    "kind": "arxiv",
    "version": 1
  }
}