Pith Number

pith:2GOQYAID

pith:2012:2GOQYAID7XZYJYV5PLWBUQQXWX

not attested not anchored not stored refs pending

Clock synchronization using maximal multipartite entanglement

Changliang Ren, Holger F. Hofmann

arxiv:1203.4300 v2 · 2012-03-20 · 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{2GOQYAID7XZYJYV5PLWBUQQXWX}

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	2026-05-18T01:58:05.772992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d19d0c0103fdf384e2bd7aec1a4217b5eeecdb4828adb0cd1b35dc9179fcdacb

Aliases

arxiv: 1203.4300 · arxiv_version: 1203.4300v2 · doi: 10.48550/arxiv.1203.4300 · pith_short_12: 2GOQYAID7XZY · pith_short_16: 2GOQYAID7XZYJYV5 · pith_short_8: 2GOQYAID

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/2GOQYAID7XZYJYV5PLWBUQQXWX \
  | 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: d19d0c0103fdf384e2bd7aec1a4217b5eeecdb4828adb0cd1b35dc9179fcdacb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "488cf7201cb5643e92ec97635f91db9ed86225d7ecd1a169859728ea6ddf1613",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-20T01:04:08Z",
    "title_canon_sha256": "9d5f040bab7f279b399b47be1c3b59b5725423db40ea8edffd81529017d8c2e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4300",
    "kind": "arxiv",
    "version": 2
  }
}