Pith Number

pith:I6SC4SBA

pith:2021:I6SC4SBAUHUDA4GL52Q7DUZ4E4

not attested not anchored not stored refs pending

Illinois Express Quantum Network (IEQNET): Metropolitan-scale experimental quantum networking over deployed optical fiber

Cristi\'an Pe\~na, Gregory Kanter, Joaquin Chung, Jordan Thomas, Maria Spiropulu, Neil Sinclair, Nikolai Lauk, Panagiotis Spentzouris, Prem Kumar, Rajkumar Kettimuthu, Raju Valivarthi, Russell R. Ceballos, Si Xie, Wenji Wu

arxiv:2104.04629 v1 · 2021-04-09 · 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{I6SC4SBAUHUDA4GL52Q7DUZ4E4}

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	2026-07-05T02:30:45.732599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47a42e4820a1e83070cbeea1f1d33c2725aab5c79af7ac5ee215fce954fc4cb1

Aliases

arxiv: 2104.04629 · arxiv_version: 2104.04629v1 · doi: 10.48550/arxiv.2104.04629 · pith_short_12: I6SC4SBAUHUD · pith_short_16: I6SC4SBAUHUDA4GL · pith_short_8: I6SC4SBA

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/I6SC4SBAUHUDA4GL52Q7DUZ4E4 \
  | 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: 47a42e4820a1e83070cbeea1f1d33c2725aab5c79af7ac5ee215fce954fc4cb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b00ccf46345a776a15bf7420ca4a7de1b80ac304793389470591fdc24ae0a5c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-09T22:38:29Z",
    "title_canon_sha256": "cb787ccb4e153af1fc437da7bf5dac03a7427fc407ecd2941f1a9060b79029c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04629",
    "kind": "arxiv",
    "version": 1
  }
}