Pith Number

pith:X2CQYUZM

pith:2011:X2CQYUZMEX5RSOYAS4KMXDG2XA

not attested not anchored not stored refs pending

A matrix product state based algorithm for determining dispersion relations of quantum spin chains with periodic boundary conditions

Bogdan Pirvu, Frank Verstraete, Jutho Haegeman

arxiv:1103.2735 v1 · 2011-03-14 · quant-ph · cond-mat.stat-mech · 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{X2CQYUZMEX5RSOYAS4KMXDG2XA}

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	2026-05-18T04:03:09.308794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be850c532c25fb193b009714cb8cdab814f91bd645904c14cb3bff218cf2de19

Aliases

arxiv: 1103.2735 · arxiv_version: 1103.2735v1 · doi: 10.48550/arxiv.1103.2735 · pith_short_12: X2CQYUZMEX5R · pith_short_16: X2CQYUZMEX5RSOYA · pith_short_8: X2CQYUZM

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/X2CQYUZMEX5RSOYAS4KMXDG2XA \
  | 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: be850c532c25fb193b009714cb8cdab814f91bd645904c14cb3bff218cf2de19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3f9804a2bb1dc3837291b9f78525af29811b6ac3582628bf3821bbb7129e68b",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-03-14T18:36:44Z",
    "title_canon_sha256": "f63830dc679ea5529ec5085def426aa4bfbfa6c4d44b83ee4fdd1b44db15cca0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2735",
    "kind": "arxiv",
    "version": 1
  }
}