Pith Number

pith:UHGGTNAC

pith:2023:UHGGTNACADQXZ2CWMCSRZLYK4L

not attested not anchored not stored refs pending

A Highly Efficient and Pure Few-Photon Source on Chip

Chao Tang, Jia-Yang Chen, Malvika Garikapati, Yong Meng Sua, Yu-ping Huang, Zhan Li, Zhaohui Ma

arxiv:2309.15233 v1 · 2023-09-26 · 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{UHGGTNACADQXZ2CWMCSRZLYK4L}

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	2026-07-05T06:54:42.976762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1cc69b40200e17ce85660a51caf0ae2e0b5b559401d8e0e831d98e8651a501b

Aliases

arxiv: 2309.15233 · arxiv_version: 2309.15233v1 · doi: 10.48550/arxiv.2309.15233 · pith_short_12: UHGGTNACADQX · pith_short_16: UHGGTNACADQXZ2CW · pith_short_8: UHGGTNAC

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/UHGGTNACADQXZ2CWMCSRZLYK4L \
  | 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: a1cc69b40200e17ce85660a51caf0ae2e0b5b559401d8e0e831d98e8651a501b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b396d04f9507df2be8f193b1468a553c41f4134092997c772e26921a54d368de",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-09-26T19:54:57Z",
    "title_canon_sha256": "947d919f87c866cf12a4dd0c1cabe22b8d8416334eabab50a1aab595eb6d2222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.15233",
    "kind": "arxiv",
    "version": 1
  }
}