Pith Number

pith:ZC56Y26P

pith:2016:ZC56Y26PDVAOYLQG4RBUAE767O

not attested not anchored not stored refs pending

"Counterfactual" quantum protocols

Lev Vaidman

arxiv:1605.02181 v1 · 2016-05-07 · 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{ZC56Y26PDVAOYLQG4RBUAE767O}

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	2026-05-18T01:15:21.847098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8bbec6bcf1d40ec2e06e4434013fefb806dfe08e8d4277159c3f98040996a17

Aliases

arxiv: 1605.02181 · arxiv_version: 1605.02181v1 · doi: 10.48550/arxiv.1605.02181 · pith_short_12: ZC56Y26PDVAO · pith_short_16: ZC56Y26PDVAOYLQG · pith_short_8: ZC56Y26P

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/ZC56Y26PDVAOYLQG4RBUAE767O \
  | 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: c8bbec6bcf1d40ec2e06e4434013fefb806dfe08e8d4277159c3f98040996a17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8863c4040333f723b30001ff07d54b04e92290acf2dad5c2ee0b3fabce058be9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-05-07T12:16:37Z",
    "title_canon_sha256": "8a9521aa50f7e33b88cb740dd694e54371bf87655221bba43e343ad2ffa82243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02181",
    "kind": "arxiv",
    "version": 1
  }
}