Pith Number

pith:4UTBCMKN

pith:2025:4UTBCMKNBCXZ2X6YRY3BMDH7LQ

not attested not anchored not stored refs pending

On Trimming Tensor-structured Measurements and Efficient Low-rank Tensor Recovery

Elizaveta Rebrova, Shambhavi Suryanarayanan

arxiv:2502.02843 v1 · 2025-02-05 · 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{4UTBCMKNBCXZ2X6YRY3BMDH7LQ}

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	2026-07-05T10:09:55.913842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e52611314d08af9d5fd88e36160cff5c031b8dbab19fef17c04d7c9b5a632195

Aliases

arxiv: 2502.02843 · arxiv_version: 2502.02843v1 · doi: 10.48550/arxiv.2502.02843 · pith_short_12: 4UTBCMKNBCXZ · pith_short_16: 4UTBCMKNBCXZ2X6Y · pith_short_8: 4UTBCMKN

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/4UTBCMKNBCXZ2X6YRY3BMDH7LQ \
  | 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: e52611314d08af9d5fd88e36160cff5c031b8dbab19fef17c04d7c9b5a632195

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b367b3009d8172f65855381c649038cff7214425407584938a0b7d1bcf9b743b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-02-05T02:58:21Z",
    "title_canon_sha256": "ab6bad91160a26c8ebf50ce6b518dcce2f7321b2f0a823715b382d3b0ff4bf31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02843",
    "kind": "arxiv",
    "version": 1
  }
}