Pith Number

pith:5MSV4ZVZ

pith:2021:5MSV4ZVZBJJ5HERBWGCQLBEIRQ

not attested not anchored not stored refs pending

Towards On-Demand Heralded Single-Photon Sources via Photon Blockade

Han Zhang, Haodong Wu, Hui Sun, Jiangshan Tang, Keyu Xia, Lei Tang, Min Xiao, Tao Li, Yang Wu, Yanqing Lu

arxiv:2104.04178 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{5MSV4ZVZBJJ5HERBWGCQLBEIRQ}

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	2026-07-05T02:48:22.329225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb255e66b90a53d39221b1850584888c0ad2fe1aa89b424cb97b7b4ee91d353d

Aliases

arxiv: 2104.04178 · arxiv_version: 2104.04178v1 · doi: 10.48550/arxiv.2104.04178 · pith_short_12: 5MSV4ZVZBJJ5 · pith_short_16: 5MSV4ZVZBJJ5HERB · pith_short_8: 5MSV4ZVZ

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/5MSV4ZVZBJJ5HERBWGCQLBEIRQ \
  | 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: eb255e66b90a53d39221b1850584888c0ad2fe1aa89b424cb97b7b4ee91d353d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee4ac1b3d6caa4737a3e632acba16362a8c1b7ce51c2da62d67967f2cc5c21e6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-09T03:27:17Z",
    "title_canon_sha256": "b00a42caf1f0eaef00702d0dc22e047fa7e6f47ff6fb776c6621e04015216898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04178",
    "kind": "arxiv",
    "version": 1
  }
}