Pith Number

pith:2UMJTGNE

pith:2012:2UMJTGNEJMV4IMRW5KJYMTGKE6

not attested not anchored not stored refs pending

Optimal measurement precision of a nonlinear interferometer

Han Chen, Juha Javanainen

arxiv:1206.2265 v1 · 2012-06-11 · 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{2UMJTGNEJMV4IMRW5KJYMTGKE6}

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	2026-05-18T03:53:52.997826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5189999a44b2bc43236ea93864cca279bca41836c035a29e24f016b2bbe9085

Aliases

arxiv: 1206.2265 · arxiv_version: 1206.2265v1 · doi: 10.48550/arxiv.1206.2265 · pith_short_12: 2UMJTGNEJMV4 · pith_short_16: 2UMJTGNEJMV4IMRW · pith_short_8: 2UMJTGNE

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/2UMJTGNEJMV4IMRW5KJYMTGKE6 \
  | 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: d5189999a44b2bc43236ea93864cca279bca41836c035a29e24f016b2bbe9085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfc3f3bd6e2ca6b8c295bd7d96ca820d7ca7aeb2e99949f78258414f86a07eea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-06-11T15:40:51Z",
    "title_canon_sha256": "0812c4dadeda9c37e12ab10b5408bd74ce259c799434babd4081cd2f3d6669f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2265",
    "kind": "arxiv",
    "version": 1
  }
}