Pith Number

pith:OLH3FARY

pith:2020:OLH3FARY5AR5FTGGNTD4LIAL2G

not attested not anchored not stored refs pending

High-quality quantum process tomography of time-bin qubit's transmission over a metropolitan fiber network and its application

Fangchao Qu, Liangliang Lu, Peiyu Zhang, Shining Zhu, Xiaodong Zheng, Xiao-song Ma, Xinhe Jiang, Yanqing Lu

arxiv:2004.05594 v2 · 2020-04-12 · quant-ph · eess.SP · 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{OLH3FARY5AR5FTGGNTD4LIAL2G}

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	2026-07-05T02:07:46.150798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72cfb28238e823d2ccc66cc7c5a00bd1957041f048363fcde36af9813f07ecd9

Aliases

arxiv: 2004.05594 · arxiv_version: 2004.05594v2 · doi: 10.48550/arxiv.2004.05594 · pith_short_12: OLH3FARY5AR5 · pith_short_16: OLH3FARY5AR5FTGG · pith_short_8: OLH3FARY

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/OLH3FARY5AR5FTGGNTD4LIAL2G \
  | 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: 72cfb28238e823d2ccc66cc7c5a00bd1957041f048363fcde36af9813f07ecd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e68e235f248b51d523641a8ad698b4fc86568ad850109097a351e627803b912f",
    "cross_cats_sorted": [
      "eess.SP",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-04-12T12:04:38Z",
    "title_canon_sha256": "c8bc6906490a875c1a31ca9445cc6f79fb09e62b41d438c91121a8d0ec97d923"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.05594",
    "kind": "arxiv",
    "version": 2
  }
}