Pith Number

pith:R7B43SGJ

pith:2018:R7B43SGJ322CTD4ZFEDYRFZSOA

not attested not anchored not stored refs pending

Quasiprobability representation of quantum coherence

I. A. Walmsley, J. Sperling

arxiv:1803.04747 v2 · 2018-03-13 · 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{R7B43SGJ322CTD4ZFEDYRFZSOA}

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	2026-05-18T00:12:43.333249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fc3cdc8c9deb4298f9929078897327016af90f76cb7495434e8495e6beb080f

Aliases

arxiv: 1803.04747 · arxiv_version: 1803.04747v2 · doi: 10.48550/arxiv.1803.04747 · pith_short_12: R7B43SGJ322C · pith_short_16: R7B43SGJ322CTD4Z · pith_short_8: R7B43SGJ

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/R7B43SGJ322CTD4ZFEDYRFZSOA \
  | 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: 8fc3cdc8c9deb4298f9929078897327016af90f76cb7495434e8495e6beb080f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6663738978ef9b9908545768211fbab91ee2487592af7371580ac51ad0179fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-03-13T12:28:19Z",
    "title_canon_sha256": "10eab25838c68048efbbdbf8f6b9d7bda7f42f1d0d83b1975bb1243c41e9ba1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04747",
    "kind": "arxiv",
    "version": 2
  }
}