Pith Number

pith:6QUBC5FB

pith:2018:6QUBC5FBOOJQ6YVPJYABEMLA3F

not attested not anchored not stored refs pending

Experimental demonstration of time-frequency duality of biphotons

Rui-Bo Jin, Ryosuke Shimizu, Takuma Saito

arxiv:1801.09044 v1 · 2018-01-27 · 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{6QUBC5FBOOJQ6YVPJYABEMLA3F}

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	2026-05-18T00:05:45.943275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4281174a173930f62af4e00123160d958bbec15691c142b12217cf88c5290fb

Aliases

arxiv: 1801.09044 · arxiv_version: 1801.09044v1 · doi: 10.48550/arxiv.1801.09044 · pith_short_12: 6QUBC5FBOOJQ · pith_short_16: 6QUBC5FBOOJQ6YVP · pith_short_8: 6QUBC5FB

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/6QUBC5FBOOJQ6YVPJYABEMLA3F \
  | 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: f4281174a173930f62af4e00123160d958bbec15691c142b12217cf88c5290fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c99b7a1861d3f021c59ac1742ab95d06ef049dc58d55660bff7d87ff78d8c84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-01-27T06:12:12Z",
    "title_canon_sha256": "d6bee248481689c01d15c3ea96f1f096ac2a9f0f0d872d1a1c1f360e6386a6cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09044",
    "kind": "arxiv",
    "version": 1
  }
}