Pith Number

pith:YRUCRXUQ

pith:2025:YRUCRXUQUV2XW2CSHOF53MLLKW

not attested not anchored not stored refs pending

Marginal-constrained entropy accumulation theorem

Amir Arqand, Ernest Y.-Z. Tan

arxiv:2502.02563 v4 · 2025-02-04 · 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{YRUCRXUQUV2XW2CSHOF53MLLKW}

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.

Cited by

6 papers in Pith

Effective discrete-modulated continuous variable QKD under general attacks

Quantum Key Distribution with Imperfections: Recent Advances in Security Proofs

Finite-size quantum key distribution rates from R\'enyi entropies using conic optimization

Security of decoy-state quantum key distribution with correlated bit-and-basis encoders

Receipt and verification

First computed	2026-07-05T11:43:30.636123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c46828de90a5757b68523b8bddb16b5599e661f7311398a2855fe9cb3c527f49

Aliases

arxiv: 2502.02563 · arxiv_version: 2502.02563v4 · doi: 10.48550/arxiv.2502.02563 · pith_short_12: YRUCRXUQUV2X · pith_short_16: YRUCRXUQUV2XW2CS · pith_short_8: YRUCRXUQ

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/YRUCRXUQUV2XW2CSHOF53MLLKW \
  | 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: c46828de90a5757b68523b8bddb16b5599e661f7311398a2855fe9cb3c527f49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ba983d8eeb5b3ad23a35b391eb737ff13fb1e3af603214bb9f4019111f83976",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-02-04T18:37:34Z",
    "title_canon_sha256": "494a93ac5006cdf018d67efb11735fd987f90678784860d86fc4f127e8bdcbc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02563",
    "kind": "arxiv",
    "version": 4
  }
}