Pith Number

pith:3TZKJRNV

pith:2026:3TZKJRNVKEAAOXXUEJDQX2QZBO

not attested not anchored not stored refs pending

History-aware adaptive reduced-order models via incremental singular value decomposition

Ali Mohaghegh, Amirpasha Hedayat, Cheng Huang, Karthik Duraisamy, Laura Balzano

arxiv:2605.28684 v1 · 2026-05-27 · cs.LG · cs.CE · cs.NA · math.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3TZKJRNVKEAAOXXUEJDQX2QZBO}

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	2026-05-28T02:04:59.791550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcf2a4c5b55100075ef422470bea190bb75649a7a140ff0b1f5b153404eb81c4

Aliases

arxiv: 2605.28684 · arxiv_version: 2605.28684v1 · doi: 10.48550/arxiv.2605.28684 · pith_short_12: 3TZKJRNVKEAA · pith_short_16: 3TZKJRNVKEAAOXXU · pith_short_8: 3TZKJRNV

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/3TZKJRNVKEAAOXXUEJDQX2QZBO \
  | 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: dcf2a4c5b55100075ef422470bea190bb75649a7a140ff0b1f5b153404eb81c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a685bdf627eab4a8c223036e515af9f64e3051c54545f9edd4bb65523cd18237",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA",
      "math.NA",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-27T16:15:11Z",
    "title_canon_sha256": "6ef421c8c75a75534679b5164f29833ae4c14a39763e5e0079e4f45934c17a12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28684",
    "kind": "arxiv",
    "version": 1
  }
}