Pith Number

pith:I5BT5YCA

pith:2015:I5BT5YCAWBLHU6BTGMH6BQKWH6

not attested not anchored not stored refs pending

Boson Sampling as Canonical Transformation: A semiclassical approach in Fock space

Juan Diego Urbina, Klaus Richter, Quirin Hummel, Thomas Engl

arxiv:1502.07483 v3 · 2015-02-26 · 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{I5BT5YCAWBLHU6BTGMH6BQKWH6}

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	2026-05-18T01:31:18.861655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47433ee040b0567a7833330fe0c1563f846eeafbcb946786f9db602e29032e28

Aliases

arxiv: 1502.07483 · arxiv_version: 1502.07483v3 · doi: 10.48550/arxiv.1502.07483 · pith_short_12: I5BT5YCAWBLH · pith_short_16: I5BT5YCAWBLHU6BT · pith_short_8: I5BT5YCA

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/I5BT5YCAWBLHU6BTGMH6BQKWH6 \
  | 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: 47433ee040b0567a7833330fe0c1563f846eeafbcb946786f9db602e29032e28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0228cc8a637a9b89f78acd7d9ab7adef6f956c4244121e454c4959765084ad44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-26T09:52:26Z",
    "title_canon_sha256": "ed6cf17830d72c70eab33cb79dca5c131fc402605907a34c6d22fe4220fd2478"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07483",
    "kind": "arxiv",
    "version": 3
  }
}