Pith Number

pith:PZQR4GN3

pith:2026:PZQR4GN3D4LYKWL4RM5CLORFSD

not attested not anchored not stored refs pending

Intrinsic Low-Tucker-Rank Theory and Unified Tensor CUR Decomposition for High-Dimensional Hyperinterpolation

Chong Wu, Maolin Che, Yimin Wei

arxiv:2607.19741 v1 · 2026-07-22 · 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{PZQR4GN3D4LYKWL4RM5CLORFSD}

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	2026-07-23T00:24:06.739418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e611e19bb1f1785597c8b3a25ba2590e9c1c446cc666dbefc649e3c324f0028

Aliases

arxiv: 2607.19741 · arxiv_version: 2607.19741v1 · doi: 10.48550/arxiv.2607.19741 · pith_short_12: PZQR4GN3D4LY · pith_short_16: PZQR4GN3D4LYKWL4 · pith_short_8: PZQR4GN3

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/PZQR4GN3D4LYKWL4RM5CLORFSD \
  | 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: 7e611e19bb1f1785597c8b3a25ba2590e9c1c446cc666dbefc649e3c324f0028

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdb5fd9e04b2c364088c60e18b8ff6d331676d192f0326ecd0dc59775bae3407",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-22T04:12:39Z",
    "title_canon_sha256": "9ac19841e78c252345aa136aa367524879758987a29e42502fb3ab8ad82813db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19741",
    "kind": "arxiv",
    "version": 1
  }
}