Pith Number

pith:EE33NO3B

pith:2015:EE33NO3BQHGFOMJAM66YL3PUGA

not attested not anchored not stored refs pending

Experimental quantum secure direct communication with single photons

Bo Yu, Guilu Long, Guoqing Qin, Jianyong Hu, Liantuan Xiao, Mingyong Jing, Suotang Jia

arxiv:1503.00451 v2 · 2015-03-02 · 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{EE33NO3BQHGFOMJAM66YL3PUGA}

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	2026-05-18T01:33:51.869177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2137b6bb6181cc57312067bd85edf43012197edb35b8076874da94cbf6bff51e

Aliases

arxiv: 1503.00451 · arxiv_version: 1503.00451v2 · doi: 10.48550/arxiv.1503.00451 · pith_short_12: EE33NO3BQHGF · pith_short_16: EE33NO3BQHGFOMJA · pith_short_8: EE33NO3B

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/EE33NO3BQHGFOMJAM66YL3PUGA \
  | 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: 2137b6bb6181cc57312067bd85edf43012197edb35b8076874da94cbf6bff51e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe9184b3b38c7b802873a228496c2b74fa3296e100e7b39a0d3f16182f2f19df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-03-02T09:27:30Z",
    "title_canon_sha256": "7396091bb9e1fe2e615ad51a95ebc2ab1fcfef7791981defed9c42d0b138d409"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00451",
    "kind": "arxiv",
    "version": 2
  }
}