Pith Number

pith:H2TBA7KO

pith:2011:H2TBA7KO45DT2XG5IHNO5DT3YU

not attested not anchored not stored refs pending

Maximally entangled gapped ground state of lattice fermions

David L. Feder

arxiv:1112.5133 v1 · 2011-12-21 · 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{H2TBA7KO45DT2XG5IHNO5DT3YU}

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	2026-05-18T04:02:39.118922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ea6107d4ee7473d5cdd41daee8e7bc50183157ac0fc88110ac76b89ce18f622

Aliases

arxiv: 1112.5133 · arxiv_version: 1112.5133v1 · doi: 10.48550/arxiv.1112.5133 · pith_short_12: H2TBA7KO45DT · pith_short_16: H2TBA7KO45DT2XG5 · pith_short_8: H2TBA7KO

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/H2TBA7KO45DT2XG5IHNO5DT3YU \
  | 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: 3ea6107d4ee7473d5cdd41daee8e7bc50183157ac0fc88110ac76b89ce18f622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "352ad7d85f77aafba721ccee0aeb7f2ea2eedc65d3d22a8bc37634a1353fb810",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-12-21T18:58:20Z",
    "title_canon_sha256": "4b0a0c715d1dbe00afe662714a16243ca0793899881a532ce8ecf2fddea10dfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5133",
    "kind": "arxiv",
    "version": 1
  }
}