Pith Number

pith:VWEUEW64

pith:2021:VWEUEW6452ZK6Q4QSYH4LX7265

not attested not anchored not stored refs pending

A simple way to incorporate loss when modelling multimode entangled state generation

Colin Vendromin, Marc M. Dignam

arxiv:2112.12044 v2 · 2021-12-22 · quant-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VWEUEW6452ZK6Q4QSYH4LX7265}

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	2026-07-05T04:33:28.032282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad89425bdceeb2af4390960fc5dffaf778199c4ea701c3f01164dec5ce12b337

Aliases

arxiv: 2112.12044 · arxiv_version: 2112.12044v2 · doi: 10.48550/arxiv.2112.12044 · pith_short_12: VWEUEW6452ZK · pith_short_16: VWEUEW6452ZK6Q4Q · pith_short_8: VWEUEW64

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/VWEUEW6452ZK6Q4QSYH4LX7265 \
  | 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: ad89425bdceeb2af4390960fc5dffaf778199c4ea701c3f01164dec5ce12b337

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc5313b4f2478038914a1fa985416396a73f45c28c0cbd781442674c23d7b915",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-12-22T17:14:27Z",
    "title_canon_sha256": "68115ea8d8188ffdfb21d84ba0d315530b0afb4613f4f3cbdd83ac3a2a6f0d6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.12044",
    "kind": "arxiv",
    "version": 2
  }
}