Pith Number

pith:I7Z2EMSX

pith:2015:I7Z2EMSXFVWA4LIH5FWMIRUL3M

not attested not anchored not stored refs pending

Embedding qubits into fermionic Fock space, peculiarities of the four-qubit case

Fr\'ederic Holweck, P\'eter L\'evay

arxiv:1502.04537 v1 · 2015-02-16 · quant-ph · hep-th · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I7Z2EMSXFVWA4LIH5FWMIRUL3M}

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	2026-05-18T01:37:35.099086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47f3a232572d6c0e2d07e96cc4468bdb0c113d3e9eb92ac936c4f462ec1c848c

Aliases

arxiv: 1502.04537 · arxiv_version: 1502.04537v1 · doi: 10.48550/arxiv.1502.04537 · pith_short_12: I7Z2EMSXFVWA · pith_short_16: I7Z2EMSXFVWA4LIH · pith_short_8: I7Z2EMSX

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/I7Z2EMSXFVWA4LIH5FWMIRUL3M \
  | 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: 47f3a232572d6c0e2d07e96cc4468bdb0c113d3e9eb92ac936c4f462ec1c848c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87d2255013f5cb1ea7829330946397fa1a12e1ddb7aab410d5c299180fe3b88b",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-16T13:59:36Z",
    "title_canon_sha256": "a7ee2cfb7d6e8ad4bd9fbf2ab8e40ccd2f7ab9e274c02b29482103569a33fdab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04537",
    "kind": "arxiv",
    "version": 1
  }
}