Pith Number

pith:47XV5ZYY

pith:2015:47XV5ZYYOJ7FJQCA2RZRTNHDA3

not attested not anchored not stored refs pending

Cavity-free nondestructive detection of a single optical photon

Jason Twamley, Keyu Xia, Mattias Johnsson, Peter L. Knight

arxiv:1506.06316 v1 · 2015-06-21 · 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{47XV5ZYYOJ7FJQCA2RZRTNHDA3}

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	2026-05-18T01:22:07.885166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7ef5ee718727e54c040d47319b4e306c337615ec1ac106ea9aa9c8e3bd13d11

Aliases

arxiv: 1506.06316 · arxiv_version: 1506.06316v1 · doi: 10.48550/arxiv.1506.06316 · pith_short_12: 47XV5ZYYOJ7F · pith_short_16: 47XV5ZYYOJ7FJQCA · pith_short_8: 47XV5ZYY

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/47XV5ZYYOJ7FJQCA2RZRTNHDA3 \
  | 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: e7ef5ee718727e54c040d47319b4e306c337615ec1ac106ea9aa9c8e3bd13d11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0da5f5b56cd981f7858431810a7cae6c8be3f54c064aee08efe34acb88b49da8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-06-21T04:15:15Z",
    "title_canon_sha256": "bd9c86879ac3f2279d01d53f3b869edef5b8080ed774b9a3f44e37ad3f5430e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06316",
    "kind": "arxiv",
    "version": 1
  }
}