Pith Number

pith:DVQCE6O3

pith:2020:DVQCE6O362IUSMDKT3SEANNXSD

not attested not anchored not stored refs pending

Counter-propagating spectrally uncorrelated biphotons at 1550 nm generated from periodically poled MTiOXO4 (M = K, Rb, Cs; X = P, As)

Bei Wei, Rui-Bo Jin, Shun Wang, Wu-Hao Cai

arxiv:2009.13321 v1 · 2020-09-28 · 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{DVQCE6O362IUSMDKT3SEANNXSD}

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	2026-07-05T01:38:29.074678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d602279dbf69149306a9ee44035b790d9aea2aeac483fb6557430f0340603c1

Aliases

arxiv: 2009.13321 · arxiv_version: 2009.13321v1 · doi: 10.48550/arxiv.2009.13321 · pith_short_12: DVQCE6O362IU · pith_short_16: DVQCE6O362IUSMDK · pith_short_8: DVQCE6O3

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/DVQCE6O362IUSMDKT3SEANNXSD \
  | 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: 1d602279dbf69149306a9ee44035b790d9aea2aeac483fb6557430f0340603c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb7e05eb57e1c0c6f5b93f085a010ecf99362cc3f46510251223cc6feec784c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-28T13:42:52Z",
    "title_canon_sha256": "051556c6eab1a2d7222421166371c458511c355774338ecc696618b7b9618ce8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.13321",
    "kind": "arxiv",
    "version": 1
  }
}