Pith Number

pith:PYQPUGGK

pith:2018:PYQPUGGKXWXV3E4MPVSOIBHAFU

not attested not anchored not stored refs pending

Entanglement Hamiltonian of Interacting Fermionic Models

Fakher F. Assaad, Francesco Parisen Toldin

arxiv:1804.03163 v3 · 2018-04-09 · cond-mat.str-el · cond-mat.stat-mech · 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{PYQPUGGKXWXV3E4MPVSOIBHAFU}

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	2026-05-18T00:00:39.665565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e20fa18cabdaf5d938c7d64e404e02d2085a9a28b4e37cc2a1120b4d7d4c92a

Aliases

arxiv: 1804.03163 · arxiv_version: 1804.03163v3 · doi: 10.48550/arxiv.1804.03163 · pith_short_12: PYQPUGGKXWXV · pith_short_16: PYQPUGGKXWXV3E4M · pith_short_8: PYQPUGGK

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/PYQPUGGKXWXV3E4MPVSOIBHAFU \
  | 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: 7e20fa18cabdaf5d938c7d64e404e02d2085a9a28b4e37cc2a1120b4d7d4c92a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf5cc7ce50c901002960408350ba0983d4ea2ca23a5feb55dfc24a4a6834b3f0",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2018-04-09T18:05:21Z",
    "title_canon_sha256": "60b84c7a980e1b72c175cf61bbf973f2b98bdb43571c0c32f4415548c35f6c93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03163",
    "kind": "arxiv",
    "version": 3
  }
}