Pith Number

pith:QNHVWSAA

pith:2014:QNHVWSAAK4GY7XMH6SQT32VCUG

not attested not anchored not stored refs pending

Reply to "Comment on Protocol for Direct Counterfactual Quantum Communication"

Hatim Salih, M. Al-Amri, M. Suhail Zubairy, Zheng-Hong Li

arxiv:1404.5392 v2 · 2014-04-22 · quant-ph

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

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	2026-05-18T02:50:22.537056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

834f5b4800570d8fdd87f4a13deaa2a192353d7307657c0e4d27ac4aef74e9ce

Aliases

arxiv: 1404.5392 · arxiv_version: 1404.5392v2 · doi: 10.48550/arxiv.1404.5392 · pith_short_12: QNHVWSAAK4GY · pith_short_16: QNHVWSAAK4GY7XMH · pith_short_8: QNHVWSAA

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/QNHVWSAAK4GY7XMH6SQT32VCUG \
  | 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: 834f5b4800570d8fdd87f4a13deaa2a192353d7307657c0e4d27ac4aef74e9ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91448ec5c232b0370e541b929bd55b697ccb06a94efab5d91fdccca58dfda908",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-04-22T06:53:10Z",
    "title_canon_sha256": "618e1635eaea494fbd489e24b5a8be19574a5d8b7552094c1c30c1290ad8d473"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5392",
    "kind": "arxiv",
    "version": 2
  }
}