Pith Number

pith:GHHETPDF

pith:2019:GHHETPDFEDY7JJWW6UVHN77TI5

not attested not anchored not stored refs pending

Analysis of counterfactuality of counterfactual communication protocols

Lev Vaidman

arxiv:1901.05765 v1 · 2019-01-17 · 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{GHHETPDFEDY7JJWW6UVHN77TI5}

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	2026-05-17T23:44:12.309532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31ce49bc6520f1f4a6d6f52a76fff347576119093bad29c6f5a5fccf177f88ef

Aliases

arxiv: 1901.05765 · arxiv_version: 1901.05765v1 · doi: 10.48550/arxiv.1901.05765 · pith_short_12: GHHETPDFEDY7 · pith_short_16: GHHETPDFEDY7JJWW · pith_short_8: GHHETPDF

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/GHHETPDFEDY7JJWW6UVHN77TI5 \
  | 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: 31ce49bc6520f1f4a6d6f52a76fff347576119093bad29c6f5a5fccf177f88ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "312846100e2feb2397d2af66ea7e264b12e476931c15f363896f12d44ec0a45f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-01-17T12:40:57Z",
    "title_canon_sha256": "48b2bdcace5446261cc85ba25111a80257defdf377764f171ad960697391696c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05765",
    "kind": "arxiv",
    "version": 1
  }
}