Pith Number

pith:CW7HO53U

pith:2021:CW7HO53UHHCPCAZTF4BC7R3VK2

not attested not anchored not stored refs pending

Subnatural-linewidth fluorescent single photons

Gao-Xiang Li, He-bin Zhang, Yong-Chun Liu

arxiv:2103.11801 v2 · 2021-03-22 · 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{CW7HO53UHHCPCAZTF4BC7R3VK2}

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	2026-07-05T08:41:57.368175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15be77777439c4f103332f022fc77556ba6721fac6f66c993c242563818985b9

Aliases

arxiv: 2103.11801 · arxiv_version: 2103.11801v2 · doi: 10.48550/arxiv.2103.11801 · pith_short_12: CW7HO53UHHCP · pith_short_16: CW7HO53UHHCPCAZT · pith_short_8: CW7HO53U

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/CW7HO53UHHCPCAZTF4BC7R3VK2 \
  | 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: 15be77777439c4f103332f022fc77556ba6721fac6f66c993c242563818985b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b727929abd5a7fedcf508c782d3b7b38352c003b81d8e7a3cf7b4f97aa37569",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-03-22T13:01:49Z",
    "title_canon_sha256": "fbbefeb4aea0754ebd2f9508b71673259c9a64a2e1e59fd739b53465caa3fdac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.11801",
    "kind": "arxiv",
    "version": 2
  }
}