Pith Number

pith:GB44VK2O

pith:2016:GB44VK2OBUZFTS5FKS5WVWW4O4

not attested not anchored not stored refs pending

The Series Product for Gaussian Quantum Input Processes

John E. Gough, Matthew R. James

arxiv:1602.01991 v2 · 2016-02-05 · 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{GB44VK2OBUZFTS5FKS5WVWW4O4}

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	2026-05-18T00:47:15.560919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3079caab4e0d3259cba554bb6adadc772867213fcaa1632b613e215cdb32bf37

Aliases

arxiv: 1602.01991 · arxiv_version: 1602.01991v2 · doi: 10.48550/arxiv.1602.01991 · pith_short_12: GB44VK2OBUZF · pith_short_16: GB44VK2OBUZFTS5F · pith_short_8: GB44VK2O

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/GB44VK2OBUZFTS5FKS5WVWW4O4 \
  | 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: 3079caab4e0d3259cba554bb6adadc772867213fcaa1632b613e215cdb32bf37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88b4f7f6458a4217cfbbbf59b22a53672ad293af39b7f6c3f9cf0c4cd6873b90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-02-05T11:46:56Z",
    "title_canon_sha256": "99716abfdaab457cf949b2e1834bac0301d0940b3d01b507a2bf9eb2329f90ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01991",
    "kind": "arxiv",
    "version": 2
  }
}