Pith Number

pith:COQFECOX

pith:2018:COQFECOX4QNQF3P4IG2AQMVQ6D

not attested not anchored not stored refs pending

Four-dimensional entanglement distribution over 100 km

Hiroki Takesue, Takuya Ikuta

arxiv:1801.06382 v1 · 2018-01-19 · 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{COQFECOX4QNQF3P4IG2AQMVQ6D}

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	2026-05-18T00:25:30.304135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13a05209d7e41b02edfc41b40832b0f0c807b68950ceb372c3aa5a038a2c9a22

Aliases

arxiv: 1801.06382 · arxiv_version: 1801.06382v1 · doi: 10.48550/arxiv.1801.06382 · pith_short_12: COQFECOX4QNQ · pith_short_16: COQFECOX4QNQF3P4 · pith_short_8: COQFECOX

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/COQFECOX4QNQF3P4IG2AQMVQ6D \
  | 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: 13a05209d7e41b02edfc41b40832b0f0c807b68950ceb372c3aa5a038a2c9a22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35ac12ec0c6024356013dadb56d16e14e48b7a6fd46887a4dbb155bad601e726",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-01-19T12:34:54Z",
    "title_canon_sha256": "ca83d14542046e7471aef3e5547a5ef7fa6a928324af1e82379575af74f3a630"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06382",
    "kind": "arxiv",
    "version": 1
  }
}