Pith Number

pith:NM4KNWHN

pith:2017:NM4KNWHNYDLNUWS4TUWTADV4XG

not attested not anchored not stored refs pending

Block product density matrix embedding theory for strongly correlated spin systems

Dimitri Van Neck, Klaas Gunst, Sebastian Wouters, Stijn De Baerdemacker

arxiv:1702.04285 v2 · 2017-02-14 · 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{NM4KNWHNYDLNUWS4TUWTADV4XG}

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	2026-05-18T00:43:35.230426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b38a6d8edc0d6da5a5c9d2d300ebcb99cc0af8b56a6658fbbb9b504abc16383

Aliases

arxiv: 1702.04285 · arxiv_version: 1702.04285v2 · doi: 10.48550/arxiv.1702.04285 · pith_short_12: NM4KNWHNYDLN · pith_short_16: NM4KNWHNYDLNUWS4 · pith_short_8: NM4KNWHN

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/NM4KNWHNYDLNUWS4TUWTADV4XG \
  | 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: 6b38a6d8edc0d6da5a5c9d2d300ebcb99cc0af8b56a6658fbbb9b504abc16383

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bd5e659221568d0da5797a4681ecdc7b8f3c7ba5b272b1352c8f85206341314",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2017-02-14T16:53:36Z",
    "title_canon_sha256": "0c1bf7d11d876585c5b33f00c20f5361a76cd346e2e5149a1dfd31b14f8ebe1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04285",
    "kind": "arxiv",
    "version": 2
  }
}