Pith Number

pith:EFOCOEP2

pith:1998:EFOCOEP2B27RARGURB2GUQ5ZNV

not attested not anchored not stored refs pending

Quantum State Protection in Cavities

David Vitali, Gerard J. Milburn, Paolo Tombesi

arxiv:quant-ph/9803045 v1 · 1998-03-17 · 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{EFOCOEP2B27RARGURB2GUQ5ZNV}

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	2026-07-04T16:10:28.461624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

215c2711fa0ebf1044d488746a43b96d6071271383bba054743d807d302b9768

Aliases

arxiv: quant-ph/9803045 · arxiv_version: quant-ph/9803045v1 · doi: 10.48550/arxiv.quant-ph/9803045 · pith_short_12: EFOCOEP2B27R · pith_short_16: EFOCOEP2B27RARGU · pith_short_8: EFOCOEP2

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/EFOCOEP2B27RARGURB2GUQ5ZNV \
  | 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: 215c2711fa0ebf1044d488746a43b96d6071271383bba054743d807d302b9768

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc4b9e96d473a19fae6cfbf05995f7d326e1619be94371ea5058f06faba04650",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1998-03-17T15:27:14Z",
    "title_canon_sha256": "4cec0edc6bd33d61f7b8b473198d164c5b231f3a2f0705d4c3c6f08554c39b99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9803045",
    "kind": "arxiv",
    "version": 1
  }
}