Pith Number

pith:GY767MUK

pith:2015:GY767MUKPVPJ6HSOZMJ3A7TYWN

not attested not anchored not stored refs pending

Symmetric extendibility of quantum states

Marcin L. Nowakowski

arxiv:1504.00388 v2 · 2015-04-01 · 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{GY767MUKPVPJ6HSOZMJ3A7TYWN}

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	2026-05-18T01:04:22.945199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

363fefb28a7d5e9f1e4ecb13b07e78b34618b6d527c484f7779fc07a7b0387ee

Aliases

arxiv: 1504.00388 · arxiv_version: 1504.00388v2 · doi: 10.48550/arxiv.1504.00388 · pith_short_12: GY767MUKPVPJ · pith_short_16: GY767MUKPVPJ6HSO · pith_short_8: GY767MUK

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/GY767MUKPVPJ6HSOZMJ3A7TYWN \
  | 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: 363fefb28a7d5e9f1e4ecb13b07e78b34618b6d527c484f7779fc07a7b0387ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90a3a51fe7868eb6263bddc717e0a9c8d328b20c3bbb1b361f998400df514c6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-01T20:57:24Z",
    "title_canon_sha256": "ee852d04cf7bcf39563d2772f917e846e8bc96c75eea2f910d9d2795a6a87c26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00388",
    "kind": "arxiv",
    "version": 2
  }
}