Pith Number

pith:GDB6MCP7

pith:2015:GDB6MCP76Y6E4NBLSTCBHG5D2C

not attested not anchored not stored refs pending

Measurement-Device-Independent Quantum Coin Tossing

Guangcan Guo, Hua Chen, Liangyuan Zhao, Shuang Wang, Wei Chen, Zhengfu Han, Zhenqiang Yin

arxiv:1512.09269 v1 · 2015-12-31 · 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{GDB6MCP76Y6E4NBLSTCBHG5D2C}

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	2026-05-18T01:23:32.802574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30c3e609fff63c4e342b94c4139ba3d0bd62d4759f1a52ffd8b28b79abf86e9f

Aliases

arxiv: 1512.09269 · arxiv_version: 1512.09269v1 · doi: 10.48550/arxiv.1512.09269 · pith_short_12: GDB6MCP76Y6E · pith_short_16: GDB6MCP76Y6E4NBL · pith_short_8: GDB6MCP7

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/GDB6MCP76Y6E4NBLSTCBHG5D2C \
  | 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: 30c3e609fff63c4e342b94c4139ba3d0bd62d4759f1a52ffd8b28b79abf86e9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca1c6bc268635984d0a966d894364eb27aafdb9764f820a416cae8d3eff69602",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-12-31T12:28:35Z",
    "title_canon_sha256": "5b6ba568929990ede1a79ae15ec38d6a856c2a4a9d212de55a68ed6dc9d183b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.09269",
    "kind": "arxiv",
    "version": 1
  }
}