Pith Number

pith:7HZEBIFO

pith:2025:7HZEBIFOUS5I2HI5ETVAGB2RZP

not attested not anchored not stored refs pending

Optimality of universal conclusive entanglement concentration protocols

Aby Philip, Alexander Streltsov, Alexandre C. Orthey, Tulja Varun Kondra

arxiv:2509.09423 v2 · 2025-09-11 · 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{7HZEBIFOUS5I2HI5ETVAGB2RZP}

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	2026-06-04T01:08:31.626746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9f240a0aea4ba8d1d1d24ea030751cbedd7ecb81a8a914d0e3bd7cfeeab0c3e

Aliases

arxiv: 2509.09423 · arxiv_version: 2509.09423v2 · doi: 10.48550/arxiv.2509.09423 · pith_short_12: 7HZEBIFOUS5I · pith_short_16: 7HZEBIFOUS5I2HI5 · pith_short_8: 7HZEBIFO

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/7HZEBIFOUS5I2HI5ETVAGB2RZP \
  | 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: f9f240a0aea4ba8d1d1d24ea030751cbedd7ecb81a8a914d0e3bd7cfeeab0c3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3436b77d5f1816147962bbc1e0efabba940180edea5f4598a76043daab7aed32",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-09-11T13:04:17Z",
    "title_canon_sha256": "238a86626ee57ff00468c6b373257f11d8900760dce587ef82e48cb6cc62baac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.09423",
    "kind": "arxiv",
    "version": 2
  }
}