Pith Number

pith:SPKJI32E

pith:2025:SPKJI32EN4D6ODS6GFDJUEU7VS

not attested not anchored not stored refs pending

Achieving the positivity of the secret key in a BB84 like quantum key distribution protocol

Rashi Jain, Satyabrata Adhikari

arxiv:2504.16434 v1 · 2025-04-23 · 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{SPKJI32EN4D6ODS6GFDJUEU7VS}

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	2026-07-05T10:52:46.667433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93d4946f446f07e70e5e31469a129facad8143031486b1dbe41b03873d1525ec

Aliases

arxiv: 2504.16434 · arxiv_version: 2504.16434v1 · doi: 10.48550/arxiv.2504.16434 · pith_short_12: SPKJI32EN4D6 · pith_short_16: SPKJI32EN4D6ODS6 · pith_short_8: SPKJI32E

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/SPKJI32EN4D6ODS6GFDJUEU7VS \
  | 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: 93d4946f446f07e70e5e31469a129facad8143031486b1dbe41b03873d1525ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deac5910a7f94d9980a024931574775ab9c55e5a1014e1f889952d0170902f0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-23T05:37:11Z",
    "title_canon_sha256": "3b4654c08a3b3553692c49617606d363a7d87580945441baad3c7bb54f8552c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16434",
    "kind": "arxiv",
    "version": 1
  }
}