Pith Number

pith:CU53F7EV

pith:2013:CU53F7EVYY6NEEY5P3DIEQDJCW

not attested not anchored not stored refs pending

M-Tensors and Nonsingular M-Tensors

Liqun Qi, Weiyang Ding, Yimin Wei

arxiv:1307.7333 v1 · 2013-07-28 · 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{CU53F7EVYY6NEEY5P3DIEQDJCW}

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	2026-05-18T03:17:23.540573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

153bb2fc95c63cd2131d7ec68240691585695fdd8c3b9d1704f19ca54631b592

Aliases

arxiv: 1307.7333 · arxiv_version: 1307.7333v1 · doi: 10.48550/arxiv.1307.7333 · pith_short_12: CU53F7EVYY6N · pith_short_16: CU53F7EVYY6NEEY5 · pith_short_8: CU53F7EV

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/CU53F7EVYY6NEEY5P3DIEQDJCW \
  | 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: 153bb2fc95c63cd2131d7ec68240691585695fdd8c3b9d1704f19ca54631b592

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1200c2b90f77c893671a5ce9730e9a5585d1e554b7ff3b1841ba62196db8a7d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-07-28T05:02:38Z",
    "title_canon_sha256": "b5870c5fc2343c01278c3b3ec989b6e4aab5f09f5f954bc75923f06b11fcc445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7333",
    "kind": "arxiv",
    "version": 1
  }
}