Pith Number

pith:7B2BXKX4

pith:2026:7B2BXKX4TM2HGU4SK7BJJDUWFZ

not attested not anchored not stored refs pending

Protocols for sharing genuine multipartite entanglement by employing copies of biseparable states

Saronath Halder, Swati Choudhary, Ujjwal Sen

arxiv:2601.16840 v2 · 2026-01-23 · 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{7B2BXKX4TM2HGU4SK7BJJDUWFZ}

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	2026-07-29T01:25:33.772553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8741baafc9b3473539257c2948e962e5b1496630ea78b7eab51192e90886968

Aliases

arxiv: 2601.16840 · arxiv_version: 2601.16840v2 · doi: 10.48550/arxiv.2601.16840 · pith_short_12: 7B2BXKX4TM2H · pith_short_16: 7B2BXKX4TM2HGU4S · pith_short_8: 7B2BXKX4

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/7B2BXKX4TM2HGU4SK7BJJDUWFZ \
  | 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: f8741baafc9b3473539257c2948e962e5b1496630ea78b7eab51192e90886968

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e5e06305ea5566c15dbff1c4ed522216ad54d17b6589fa4dc5293524ff42a1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-01-23T15:41:29Z",
    "title_canon_sha256": "3fdc3db34646e2da73c8b10f9dbe75f6d5b0cfc13b946ef2fc9414f23b8f62be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.16840",
    "kind": "arxiv",
    "version": 2
  }
}