Pith Number

pith:BMBVONIZ

pith:2005:BMBVONIZD6C6JNKKCOIKEHVAZ4

not attested not anchored not stored refs pending

Quantum methods for clock synchronization: Beating the standard quantum limit without entanglement

Mark de Burgh, Stephen D. Bartlett

arxiv:quant-ph/0505112 v3 · 2005-05-15 · 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{BMBVONIZD6C6JNKKCOIKEHVAZ4}

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	2026-05-18T01:05:02.937237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b035735191f85e4b54a1390a21ea0cf26bea1976ae893bf9c402e13577d0fcb

Aliases

arxiv: quant-ph/0505112 · arxiv_version: quant-ph/0505112v3 · doi: 10.48550/arxiv.quant-ph/0505112 · pith_short_12: BMBVONIZD6C6 · pith_short_16: BMBVONIZD6C6JNKK · pith_short_8: BMBVONIZ

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/BMBVONIZD6C6JNKKCOIKEHVAZ4 \
  | 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: 0b035735191f85e4b54a1390a21ea0cf26bea1976ae893bf9c402e13577d0fcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a4fbf88f6528224e4d6d413abab234e7f07935e1061cc2962bc729a4dc152d7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-05-15T05:16:37Z",
    "title_canon_sha256": "a9f15d032ab1502fb5409d72ff2983f96b4a1c9f3153b756a8789db7d25dcc45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0505112",
    "kind": "arxiv",
    "version": 3
  }
}