Pith Number

pith:7RLIRWOS

pith:1997:7RLIRWOS2RPKXDYAZVE42NKIL5

not attested not anchored not stored refs pending

Trace forms for the generalized Wigner functions

G. M. D'Ariano, Italy), M. F. Sacchi (Dipartimento di Fisica 'Alessandro Volta', Pavia

arxiv:quant-ph/9705020 v1 · 1997-05-12 · 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{7RLIRWOS2RPKXDYAZVE42NKIL5}

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	2026-05-18T01:05:01.899955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc5688d9d2d45eab8f00cd49cd35485f5da7fd858f8c32bead14bc180542c830

Aliases

arxiv: quant-ph/9705020 · arxiv_version: quant-ph/9705020v1 · doi: 10.48550/arxiv.quant-ph/9705020 · pith_short_12: 7RLIRWOS2RPK · pith_short_16: 7RLIRWOS2RPKXDYA · pith_short_8: 7RLIRWOS

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/7RLIRWOS2RPKXDYAZVE42NKIL5 \
  | 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: fc5688d9d2d45eab8f00cd49cd35485f5da7fd858f8c32bead14bc180542c830

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1cb358272fb9a9513259bfcc156f67a2ca193886c0d96fd6157438735538255",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1997-05-12T14:10:43Z",
    "title_canon_sha256": "89d5815a87eddf034d273707369ff66b615e4a88317957cd014b58fb4f94ab62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9705020",
    "kind": "arxiv",
    "version": 1
  }
}