Pith Number

pith:M5FC5BMH

pith:2012:M5FC5BMHFIQ7VP2KTN4EA7JMSM

not attested not anchored not stored refs pending

A monolithically integrated polarization entangled photon pair source on a silicon chip

Hanna Le Jeannic, Hiroki Takesue, Hiroshi Fukuda, Kaoru Shimizu, Koji Yamada, Nobuyuki Matsuda, Tai Tsuchizawa, William John Munro, Yasuhiro Tokura

arxiv:1211.2885 v1 · 2012-11-13 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M5FC5BMHFIQ7VP2KTN4EA7JMSM}

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	2026-05-18T03:40:52.443830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

674a2e85872a21fabf4a9b78407d2c9326887146f8d687dfb2d47b01bce819c6

Aliases

arxiv: 1211.2885 · arxiv_version: 1211.2885v1 · doi: 10.48550/arxiv.1211.2885 · pith_short_12: M5FC5BMHFIQ7 · pith_short_16: M5FC5BMHFIQ7VP2K · pith_short_8: M5FC5BMH

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/M5FC5BMHFIQ7VP2KTN4EA7JMSM \
  | 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: 674a2e85872a21fabf4a9b78407d2c9326887146f8d687dfb2d47b01bce819c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d711afe4cf98db74d4b2974a0c340c9e48f5e0816cd335d927a9c69d137e63db",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-11-13T04:08:39Z",
    "title_canon_sha256": "796b74e8bdcb2213acba8cb14e8f653406db3edd4a5680c0093bf1b6d6f7eb60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2885",
    "kind": "arxiv",
    "version": 1
  }
}