Pith Number

pith:3EYVT7AN

pith:2021:3EYVT7ANPBCQI64LCFM23DQI2T

not attested not anchored not stored refs pending

Programmable photon pair source

Jiamin Li, Jinjin Wang, Liang Cui, Mingyi Ma, Xiaoying Li, Z. Y. Ou

arxiv:2108.01400 v1 · 2021-08-03 · 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{3EYVT7ANPBCQI64LCFM23DQI2T}

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	2026-07-05T03:45:10.037749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d93159fc0d7845047b8b1159ad8e08d4dfa9eebc24d47a178a56ba5a568f738d

Aliases

arxiv: 2108.01400 · arxiv_version: 2108.01400v1 · doi: 10.48550/arxiv.2108.01400 · pith_short_12: 3EYVT7ANPBCQ · pith_short_16: 3EYVT7ANPBCQI64L · pith_short_8: 3EYVT7AN

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/3EYVT7ANPBCQI64LCFM23DQI2T \
  | 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: d93159fc0d7845047b8b1159ad8e08d4dfa9eebc24d47a178a56ba5a568f738d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db156f285b9164ef095dda36aca245edeea37c81057e701f004dd615b8ce226a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-08-03T10:24:23Z",
    "title_canon_sha256": "234bf4c866efb0e7b5edf257cf18a466a57b2d1d1a3b628b5c0ecc60df93c6be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.01400",
    "kind": "arxiv",
    "version": 1
  }
}