Pith Number

pith:EJA4U2IB

pith:2025:EJA4U2IBDMI66RXOL7NQFGR2YI

not attested not anchored not stored refs pending

Frequency subspace encoding for multiplexed quantum secret sharing

Carlos Sevilla-Guti\'errez, Christopher Spiess, Fabian Steinlechner, Meritxell Cabrejo-Ponce

arxiv:2508.03295 v1 · 2025-08-05 · 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{EJA4U2IBDMI66RXOL7NQFGR2YI}

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	2026-07-05T11:48:53.493760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2241ca69011b11ef46ee5fdb029a3ac208ce0f5df65e6cfa933e798a626cbda1

Aliases

arxiv: 2508.03295 · arxiv_version: 2508.03295v1 · doi: 10.48550/arxiv.2508.03295 · pith_short_12: EJA4U2IBDMI6 · pith_short_16: EJA4U2IBDMI66RXO · pith_short_8: EJA4U2IB

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/EJA4U2IBDMI66RXOL7NQFGR2YI \
  | 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: 2241ca69011b11ef46ee5fdb029a3ac208ce0f5df65e6cfa933e798a626cbda1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "865fa149eaaab10787f53788a5957eae2a256b16c4f68a9f182b1bbaa195380a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-08-05T10:15:25Z",
    "title_canon_sha256": "8f623a29e5e65d6ba3274d494640a6ffe519f51852330bff1bd6a37fd3b450f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.03295",
    "kind": "arxiv",
    "version": 1
  }
}