Pith Number

pith:H2KJBF4T

pith:2004:H2KJBF4TWTLV4C5S7EBYJFLWAL

not attested not anchored not stored refs pending

Entanglement swapping without joint Measurement

Ming Yang, Wei Song, Zhuo-Liang Cao

arxiv:quant-ph/0408172 v2 · 2004-08-27 · 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{H2KJBF4TWTLV4C5S7EBYJFLWAL}

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	2026-07-04T14:46:40.359677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e94909793b4d75e0bb2f90384957602ee5094cb0a3e08a1162addac25d23797

Aliases

arxiv: quant-ph/0408172 · arxiv_version: quant-ph/0408172v2 · doi: 10.48550/arxiv.quant-ph/0408172 · pith_short_12: H2KJBF4TWTLV · pith_short_16: H2KJBF4TWTLV4C5S · pith_short_8: H2KJBF4T

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/H2KJBF4TWTLV4C5S7EBYJFLWAL \
  | 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: 3e94909793b4d75e0bb2f90384957602ee5094cb0a3e08a1162addac25d23797

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11f79222101e4f0d4c1334f87f7d5aadf7d568ffe58fcaae71b1f3f4933c7737",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-08-27T14:58:53Z",
    "title_canon_sha256": "7c88f1caf5ec38a6845b5a85e78a5001c7e1af1dfb5745a350b51d502b499c28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0408172",
    "kind": "arxiv",
    "version": 2
  }
}