Pith Number

pith:XSEAXNQN

pith:2014:XSEAXNQN2POGN2ZQGNQZOIXGES

not attested not anchored not stored refs pending

Direct Counterfactual Communication with Single Photons

Cheng-Zhi Peng, Hua-Lei Yin, Jian-Wei Pan, Juan Yin, Teng-Yun Chen, Xiongfeng Ma, Yuan Cao, Yu-Ao Chen, Yu-Huai Li, Zhu Cao

arxiv:1403.5082 v2 · 2014-03-20 · 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{XSEAXNQN2POGN2ZQGNQZOIXGES}

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	2026-05-18T00:43:09.872027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc880bb60dd3dc66eb3033619722e6248081f0035442d0c8fca6a159f3113f40

Aliases

arxiv: 1403.5082 · arxiv_version: 1403.5082v2 · doi: 10.48550/arxiv.1403.5082 · pith_short_12: XSEAXNQN2POG · pith_short_16: XSEAXNQN2POGN2ZQ · pith_short_8: XSEAXNQN

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/XSEAXNQN2POGN2ZQGNQZOIXGES \
  | 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: bc880bb60dd3dc66eb3033619722e6248081f0035442d0c8fca6a159f3113f40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c7e0b5adc8af85c3af555481d7060c2c9dca6b856e1aed71c5508409b36440d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-03-20T09:42:17Z",
    "title_canon_sha256": "6203c79d6c8a9c935b1898412b1e74928a0c67a1cf53348b48d6e068822952a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5082",
    "kind": "arxiv",
    "version": 2
  }
}