Pith Number

pith:FFR2RLFY

pith:2025:FFR2RLFYB7HBE7BYMPYWBIUT44

not attested not anchored not stored refs pending

Study of the EPR-type entanglement characteristics of a NDPA with time-delayed coherent feedback

Nikolett N\'emet, Scott Parkins, Tam\'as Kiss

arxiv:2503.19084 v1 · 2025-03-24 · 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{FFR2RLFYB7HBE7BYMPYWBIUT44}

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	2026-07-05T10:38:49.240119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2963a8acb80fce127c3863f160a293e726944c32f7afe861aaedc01c84ade1b9

Aliases

arxiv: 2503.19084 · arxiv_version: 2503.19084v1 · doi: 10.48550/arxiv.2503.19084 · pith_short_12: FFR2RLFYB7HB · pith_short_16: FFR2RLFYB7HBE7BY · pith_short_8: FFR2RLFY

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/FFR2RLFYB7HBE7BYMPYWBIUT44 \
  | 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: 2963a8acb80fce127c3863f160a293e726944c32f7afe861aaedc01c84ade1b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69fd754dd93488c711a79c14c720ea7fb86bf1a6135dff384fb363132a143ef2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-03-24T19:14:26Z",
    "title_canon_sha256": "265af37c8be529547db0685ed060e812d7e81d26e88ef95340b90548a761b0e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.19084",
    "kind": "arxiv",
    "version": 1
  }
}