Pith Number

pith:PKMI4SFH

pith:2012:PKMI4SFH57DSR2SBU72OJ4J4PF

not attested not anchored not stored refs pending

Polarization entanglement generation at 1.5 um based on walk-off effect due to fiber birefringence

Jiangde Peng, Pengxiang Wang, Qiang Zhou, Wei Zhang, Yidong Huang

arxiv:1204.2107 v1 · 2012-04-10 · 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{PKMI4SFH57DSR2SBU72OJ4J4PF}

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	2026-05-18T03:58:13.255926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a988e48a7efc728ea41a7f4e4f13c795f38b4519420b41171f770a7286123ef

Aliases

arxiv: 1204.2107 · arxiv_version: 1204.2107v1 · doi: 10.48550/arxiv.1204.2107 · pith_short_12: PKMI4SFH57DS · pith_short_16: PKMI4SFH57DSR2SB · pith_short_8: PKMI4SFH

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/PKMI4SFH57DSR2SBU72OJ4J4PF \
  | 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: 7a988e48a7efc728ea41a7f4e4f13c795f38b4519420b41171f770a7286123ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebfd886a66e2539641588de0ff7d2b1746687031509c7d03664ae0359e8de5fe",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-10T11:27:29Z",
    "title_canon_sha256": "e767fb93154df5e866d9325d1f8fb3ab4e1f7054b7fecdef15ee0339db439b69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2107",
    "kind": "arxiv",
    "version": 1
  }
}