Pith Number

pith:45HKPA6Q

pith:2022:45HKPA6QGTIC3TEBA7LP6QKZ4N

not attested not anchored not stored refs pending

Fast Time-Evolution of Matrix-Product States using the QR decomposition

Frank Pollmann, Jakob Unfried, Johannes Hauschild

arxiv:2212.09782 v1 · 2022-12-19 · quant-ph · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{45HKPA6QGTIC3TEBA7LP6QKZ4N}

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	2026-07-05T06:06:08.475499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e74ea783d034d02dcc8107d6ff4159e354813b360eaa8c1f8810de5993b6954e

Aliases

arxiv: 2212.09782 · arxiv_version: 2212.09782v1 · doi: 10.48550/arxiv.2212.09782 · pith_short_12: 45HKPA6QGTIC · pith_short_16: 45HKPA6QGTIC3TEB · pith_short_8: 45HKPA6Q

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/45HKPA6QGTIC3TEBA7LP6QKZ4N \
  | 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: e74ea783d034d02dcc8107d6ff4159e354813b360eaa8c1f8810de5993b6954e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "427797fdc886a929767b9d231a99473a4ea52257fb1272975947558390e26083",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-12-19T19:00:05Z",
    "title_canon_sha256": "04be24a6c8a2d02471eab1014a9e80ade407d1906f05d0a1c469ca4600cdaa80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.09782",
    "kind": "arxiv",
    "version": 1
  }
}