Pith Number

pith:WHJV4YSC

pith:2009:WHJV4YSC6CW45LWPNHTZLOUX4P

not attested not anchored not stored refs pending

Matrix Product States: Symmetries and Two-Body Hamiltonians

D. Perez-Garcia, J. I. Cirac, M. M. Wolf, M. Sanz

arxiv:0901.2223 v1 · 2009-01-15 · cond-mat.str-el · 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{WHJV4YSC6CW45LWPNHTZLOUX4P}

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	2026-07-04T15:43:17.857659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1d35e6242f0adceaecf69e795ba97e3c20219fc7cac5d54f19dd69e51af8183

Aliases

arxiv: 0901.2223 · arxiv_version: 0901.2223v1 · doi: 10.48550/arxiv.0901.2223 · pith_short_12: WHJV4YSC6CW4 · pith_short_16: WHJV4YSC6CW45LWP · pith_short_8: WHJV4YSC

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/WHJV4YSC6CW45LWPNHTZLOUX4P \
  | 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: b1d35e6242f0adceaecf69e795ba97e3c20219fc7cac5d54f19dd69e51af8183

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecd2e73cd3f2a2f2eea8fdc55d1def1bc60aaf8c7f973c256ffb256750975127",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2009-01-15T13:55:11Z",
    "title_canon_sha256": "13a256b2eb3842209654dac1565d06e81f04cd8a063b3154f55c170bbd409340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2223",
    "kind": "arxiv",
    "version": 1
  }
}