Pith Number

pith:EY6BX7T4

pith:2020:EY6BX7T4DIYKBGGV6OOHGPNKDQ

not attested not anchored not stored refs pending

Enhancing LIDAR performance metrics using continuous-wave photon-pair sources

Amr S. Helmy, Benjamin J. Sussman, Bhashyam Balaji, Daniel Giovannini, Duncan England, Han Liu, Haoyu He

arxiv:2004.06754 v1 · 2020-04-14 · physics.optics · 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{EY6BX7T4DIYKBGGV6OOHGPNKDQ}

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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	2026-07-05T00:55:21.594841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

263c1bfe7c1a30a098d5f39c733daa1c0ba2d48539a55d773fc848040473f35b

Aliases

arxiv: 2004.06754 · arxiv_version: 2004.06754v1 · doi: 10.48550/arxiv.2004.06754 · pith_short_12: EY6BX7T4DIYK · pith_short_16: EY6BX7T4DIYKBGGV · pith_short_8: EY6BX7T4

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/EY6BX7T4DIYKBGGV6OOHGPNKDQ \
  | 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: 263c1bfe7c1a30a098d5f39c733daa1c0ba2d48539a55d773fc848040473f35b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6b806183d167bb8f3a466168dca5cb48bda29057f5f84a3581093b8820e3671",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-04-14T18:49:34Z",
    "title_canon_sha256": "6040ebedce93e9661cb53c2c95e27cc8df8b1625e685f1a5258c57b759015975"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06754",
    "kind": "arxiv",
    "version": 1
  }
}