Pith Number

pith:MB4EUBCB

pith:2014:MB4EUBCB32MR5M55RF2N5T6T3O

not attested not anchored not stored refs pending

Precision-Guaranteed Quantum Metrology

Takanori Sugiyama

arxiv:1407.8065 v2 · 2014-07-30 · 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{MB4EUBCB32MR5M55RF2N5T6T3O}

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	2026-05-18T02:17:24.519463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60784a0441de991eb3bd8974decfd3dbac5b7501e6944206e399120e5480805f

Aliases

arxiv: 1407.8065 · arxiv_version: 1407.8065v2 · doi: 10.48550/arxiv.1407.8065 · pith_short_12: MB4EUBCB32MR · pith_short_16: MB4EUBCB32MR5M55 · pith_short_8: MB4EUBCB

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/MB4EUBCB32MR5M55RF2N5T6T3O \
  | 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: 60784a0441de991eb3bd8974decfd3dbac5b7501e6944206e399120e5480805f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03e04c8227f8d0ed503141af32a0dfa5e908026e7b9270eefb145ce15559d2a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-07-30T14:49:10Z",
    "title_canon_sha256": "5034784ca65bde5afbf339bd6c86c6b174161be2df72fd287c739d04c80a26b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8065",
    "kind": "arxiv",
    "version": 2
  }
}