Pith Number

pith:ERCW4REJ

pith:2013:ERCW4REJPAEJF2SUPNDP2WN6OS

not attested not anchored not stored refs pending

Long lifetime and high-fidelity quantum memory of photonic polarization qubit by lifting Zeeman degeneracy

Changde Xie, Hai Wang, Kunchi Peng, Lirong Chen, Long Tian, Shujing Li, Yuelong Wu, Zhihui Yan, Zhiying Zhang, Zhongxiao Xu

arxiv:1306.4262 v4 · 2013-06-18 · physics.atom-ph · physics.optics · 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{ERCW4REJPAEJF2SUPNDP2WN6OS}

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	2026-05-18T01:49:15.475743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24456e4489780892ea547b46fd59be74bbe1aac4508f81d53cb70ee13cb2df48

Aliases

arxiv: 1306.4262 · arxiv_version: 1306.4262v4 · doi: 10.48550/arxiv.1306.4262 · pith_short_12: ERCW4REJPAEJ · pith_short_16: ERCW4REJPAEJF2SU · pith_short_8: ERCW4REJ

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/ERCW4REJPAEJF2SUPNDP2WN6OS \
  | 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: 24456e4489780892ea547b46fd59be74bbe1aac4508f81d53cb70ee13cb2df48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "849253b147a6685c6a99a8a8c41351625f5c5214f2bc5cfb8657e85de1e4236a",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-06-18T16:25:43Z",
    "title_canon_sha256": "5696391e1dd92236af5f75f39da648768f939261a01a39f1094d02c2ae8ad0d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4262",
    "kind": "arxiv",
    "version": 4
  }
}