Pith Number

pith:NNMJWFLK

pith:2025:NNMJWFLKPPL4L35Z6IDQ22ZOYW

not attested not anchored not stored refs pending

The Canonical Forms of Matrix Product States in Infinite-Dimensional Hilbert Spaces

Niilo Heikkinen

arxiv:2502.12934 v2 · 2025-02-18 · math-ph · math.MP · quant-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{NNMJWFLKPPL4L35Z6IDQ22ZOYW}

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.

Cited by

1 paper in Pith

Receipt and verification

First computed	2026-07-05T11:51:22.164356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b589b156a7bd7c5efb9f2070d6b2ec5a054d35c2f0c06cfb0c91d495cf974f1

Aliases

arxiv: 2502.12934 · arxiv_version: 2502.12934v2 · doi: 10.48550/arxiv.2502.12934 · pith_short_12: NNMJWFLKPPL4 · pith_short_16: NNMJWFLKPPL4L35Z · pith_short_8: NNMJWFLK

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/NNMJWFLKPPL4L35Z6IDQ22ZOYW \
  | 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: 6b589b156a7bd7c5efb9f2070d6b2ec5a054d35c2f0c06cfb0c91d495cf974f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a13f7952cfa8902dbaf7b8ed0d20de8f71561b8ce477d14da797f957be888a8",
    "cross_cats_sorted": [
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2025-02-18T15:16:04Z",
    "title_canon_sha256": "7feaf137283a52622040ea2113c636f557da65356a4661740d1d12d13b6f8242"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.12934",
    "kind": "arxiv",
    "version": 2
  }
}