Pith Number

pith:FFVIRRM2

pith:1996:FFVIRRM2YNXK4NK7PTHDNERDFJ

not attested not anchored not stored refs pending

Sending quantum entanglement through noisy channels

Benjamin Schumacher

arxiv:quant-ph/9604023 v1 · 1996-04-22 · 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{FFVIRRM2YNXK4NK7PTHDNERDFJ}

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	2026-07-04T14:47:04.501814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

296a88c59ac36eae355f7cce3692232a520220843bb5db7e1e8abd7d253d5753

Aliases

arxiv: quant-ph/9604023 · arxiv_version: quant-ph/9604023v1 · doi: 10.48550/arxiv.quant-ph/9604023 · pith_short_12: FFVIRRM2YNXK · pith_short_16: FFVIRRM2YNXK4NK7 · pith_short_8: FFVIRRM2

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/FFVIRRM2YNXK4NK7PTHDNERDFJ \
  | 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: 296a88c59ac36eae355f7cce3692232a520220843bb5db7e1e8abd7d253d5753

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea08b79e391007e9d47f7b49e5f5c6ae975c1a75a3612c65b39d1ed3d1638ab9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1996-04-22T22:07:40Z",
    "title_canon_sha256": "2a592576b019bd6f4ae7fceba9b41d7d414123bd197b8dfd8c54dd431594e822"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9604023",
    "kind": "arxiv",
    "version": 1
  }
}