Pith Number

pith:RMAMRM4W

pith:2011:RMAMRM4WKI4KDXHHO2CXOIISJQ

not attested not anchored not stored refs pending

Linear optical scheme for producing polarization-entangled NOON states

Hee Su Park, Hyunchul Nha, Su-Yong Lee, Tomasz Paterek

arxiv:1112.1221 v1 · 2011-12-06 · 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{RMAMRM4WKI4KDXHHO2CXOIISJQ}

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	2026-05-18T01:59:16.537595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b00c8b3965238a1dce776857721124c3ac204bc6946a75b9363b5acb52a2590

Aliases

arxiv: 1112.1221 · arxiv_version: 1112.1221v1 · doi: 10.48550/arxiv.1112.1221 · pith_short_12: RMAMRM4WKI4K · pith_short_16: RMAMRM4WKI4KDXHH · pith_short_8: RMAMRM4W

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/RMAMRM4WKI4KDXHHO2CXOIISJQ \
  | 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: 8b00c8b3965238a1dce776857721124c3ac204bc6946a75b9363b5acb52a2590

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ab9b235415da8dcc7086162a2051ff26d610b07304e9900784868da66c4c5e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-12-06T10:32:04Z",
    "title_canon_sha256": "65c7a55b22a517c14ee84d63023a0730783fecca7b0e0bdf0cf6d2e188f1ab11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1221",
    "kind": "arxiv",
    "version": 1
  }
}