Pith Number

pith:5PSQPCPQ

pith:2021:5PSQPCPQ5CCKZXEURY3XITXJ5P

not attested not anchored not stored refs pending

No second law of entanglement manipulation after all

Bartosz Regula, Ludovico Lami

arxiv:2111.02438 v3 · 2021-11-03 · quant-ph · cond-mat.stat-mech · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PSQPCPQ5CCKZXEURY3XITXJ5P}

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	2026-07-05T05:42:22.302551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebe50789f0e884acdc948e37744ee9ebf6d9d7385d0f5f10701e24fbcc79093f

Aliases

arxiv: 2111.02438 · arxiv_version: 2111.02438v3 · doi: 10.48550/arxiv.2111.02438 · pith_short_12: 5PSQPCPQ5CCK · pith_short_16: 5PSQPCPQ5CCKZXEU · pith_short_8: 5PSQPCPQ

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/5PSQPCPQ5CCKZXEURY3XITXJ5P \
  | 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: ebe50789f0e884acdc948e37744ee9ebf6d9d7385d0f5f10701e24fbcc79093f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b633d77e9e913483ef47035e064c7c4a41ed83313a7d5085b312d8f5583b462",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-03T18:00:46Z",
    "title_canon_sha256": "1c810717f569238717f40f739eaf559073afbd58c90f8b2728f32ddd138d93e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.02438",
    "kind": "arxiv",
    "version": 3
  }
}