Pith Number

pith:KDMU2QXM

pith:1996:KDMU2QXM3ROR2FSVSUK2PA2XSR

not attested not anchored not stored refs pending

Is Quantum Bit Commitment Really Possible?

H. F. Chau, Hoi-Kwong Lo

arxiv:quant-ph/9603004 v2 · 1996-03-04 · quant-ph · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDMU2QXM3ROR2FSVSUK2PA2XSR}

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	2026-05-18T01:08:01.318937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50d94d42ecdc5d1d16559515a783579465767f0548e6e82f9bdb2c94ed002b9b

Aliases

arxiv: quant-ph/9603004 · arxiv_version: quant-ph/9603004v2 · doi: 10.48550/arxiv.quant-ph/9603004 · pith_short_12: KDMU2QXM3ROR · pith_short_16: KDMU2QXM3ROR2FSV · pith_short_8: KDMU2QXM

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/KDMU2QXM3ROR2FSVSUK2PA2XSR \
  | 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: 50d94d42ecdc5d1d16559515a783579465767f0548e6e82f9bdb2c94ed002b9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9adf70cdad00809a5bff1bf0f1685f4ef478d0f9ed71f9002a5ac1ed3b876bdb",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1996-03-04T20:57:53Z",
    "title_canon_sha256": "65cb9b4ccf158821c8a4f0846fc765323bdfc699e89a9190b95e08066d028d43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9603004",
    "kind": "arxiv",
    "version": 2
  }
}