Pith Number

pith:UGLQXMSH

pith:2014:UGLQXMSH5QNVMJ4VCHWQPDME26

not attested not anchored not stored refs pending

Two-Dimensional Density-Matrix Topological Fermionic Phases: Topological Uhlmann Numbers

A. Rivas, M.A. Martin-Delgado, O.Viyuela

arxiv:1405.6054 v2 · 2014-05-23 · 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{UGLQXMSH5QNVMJ4VCHWQPDME26}

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	2026-05-18T02:44:30.662632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1970bb247ec1b56279511ed078d84d7b0eb8db23f3ef2c9c13fa64947ef0ed5

Aliases

arxiv: 1405.6054 · arxiv_version: 1405.6054v2 · doi: 10.48550/arxiv.1405.6054 · pith_short_12: UGLQXMSH5QNV · pith_short_16: UGLQXMSH5QNVMJ4V · pith_short_8: UGLQXMSH

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/UGLQXMSH5QNVMJ4VCHWQPDME26 \
  | 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: a1970bb247ec1b56279511ed078d84d7b0eb8db23f3ef2c9c13fa64947ef0ed5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d0a5ac5a379625291b2d1dd2b6bd3afd2e6cbc740b7dfee082ad8b7d6a25954",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2014-05-23T13:09:52Z",
    "title_canon_sha256": "30bf6d3f97e751765512e3c1c507762b6e9bc975e16f086b1e5a4858fccd864f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6054",
    "kind": "arxiv",
    "version": 2
  }
}