Pith Number

pith:4U5TQS7A

pith:2016:4U5TQS7AFJXTL46HNFKE4GECUO

not attested not anchored not stored refs pending

Entropy of entanglement in continuous frequency space of the biphoton state from multiplexed cold atomic ensembles

H. H. Jen

arxiv:1601.00802 v1 · 2016-01-05 · 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{4U5TQS7AFJXTL46HNFKE4GECUO}

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	2026-05-18T01:22:05.488792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e53b384be02a6f35f3c769544e1882a3a4436d00ae8004882b1008f6c4c5f57b

Aliases

arxiv: 1601.00802 · arxiv_version: 1601.00802v1 · doi: 10.48550/arxiv.1601.00802 · pith_short_12: 4U5TQS7AFJXT · pith_short_16: 4U5TQS7AFJXTL46H · pith_short_8: 4U5TQS7A

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/4U5TQS7AFJXTL46HNFKE4GECUO \
  | 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: e53b384be02a6f35f3c769544e1882a3a4436d00ae8004882b1008f6c4c5f57b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19cdd375b2265c8c85931af2ba3b45d61035578f8b5f72cb3c086432da7db08c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-01-05T12:18:43Z",
    "title_canon_sha256": "2973fc0d53acad3accb6640d789b586f0d816f7a9737c6c106b7b2b191e2dc2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00802",
    "kind": "arxiv",
    "version": 1
  }
}