Pith Number

pith:B73DTMDU

pith:2012:B73DTMDUDHXSCHU6PD5A5ACOPB

not attested not anchored not stored refs pending

Heralded Noiseless Amplification of a Photon Polarization Qubit

G. J. Pryde, G. Y. Xiang, S. Kocsis, T. C. Ralph

arxiv:1208.5881 v1 · 2012-08-29 · 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{B73DTMDUDHXSCHU6PD5A5ACOPB}

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	2026-05-18T03:22:17.422490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ff639b07419ef211e9e78fa0e804e787391cb9df7378d03a7af051b8d63880f

Aliases

arxiv: 1208.5881 · arxiv_version: 1208.5881v1 · doi: 10.48550/arxiv.1208.5881 · pith_short_12: B73DTMDUDHXS · pith_short_16: B73DTMDUDHXSCHU6 · pith_short_8: B73DTMDU

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/B73DTMDUDHXSCHU6PD5A5ACOPB \
  | 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: 0ff639b07419ef211e9e78fa0e804e787391cb9df7378d03a7af051b8d63880f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "778bc7c5f0a98c39a5dfe603a0abc0e962de8355759b7c879d220276b03362ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-08-29T11:24:07Z",
    "title_canon_sha256": "f77169d96c3d2898094c5a05aa046df0d6a3ddd321809c71a821f179df162c46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5881",
    "kind": "arxiv",
    "version": 1
  }
}