Pith Number

pith:EHPV2FV5

pith:2025:EHPV2FV5DZ2PVCXRTXD7FZAFLT

not attested not anchored not stored refs pending

Hierarchical Generation and Design of Tree-Codes for Resource-Efficient Loss-Tolerant Quantum Communications

Angelo Bassi, Francesco Cesa, Tommaso Feri

arxiv:2501.18693 v4 · 2025-01-30 · 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{EHPV2FV5DZ2PVCXRTXD7FZAFLT}

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	2026-06-08T01:03:43.257869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21df5d16bd1e74fa8af19dc7f2e4055cf94133ae95099c0718ea2928013ea452

Aliases

arxiv: 2501.18693 · arxiv_version: 2501.18693v4 · doi: 10.48550/arxiv.2501.18693 · pith_short_12: EHPV2FV5DZ2P · pith_short_16: EHPV2FV5DZ2PVCXR · pith_short_8: EHPV2FV5

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/EHPV2FV5DZ2PVCXRTXD7FZAFLT \
  | 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: 21df5d16bd1e74fa8af19dc7f2e4055cf94133ae95099c0718ea2928013ea452

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0190f5ab17857ead67403460d64ac0488e617348d7f59fab3420e19f994d3b4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-01-30T19:00:06Z",
    "title_canon_sha256": "24b1915e55b690191240092e830c80c2729456271746045fce95d95af3c68fe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.18693",
    "kind": "arxiv",
    "version": 4
  }
}