Pith Number

pith:CMH2I33I

pith:2012:CMH2I33ISFNLH3C53LDJL2X5UE

not attested not anchored not stored refs pending

Emergence of classical theories from quantum mechanics

Petr Hajicek

arxiv:1201.0615 v1 · 2012-01-03 · 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{CMH2I33ISFNLH3C53LDJL2X5UE}

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	2026-05-18T01:58:58.614868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

130fa46f68915ab3ec5ddac695eafda135019a59297fa742fe3bd2d21c553ae5

Aliases

arxiv: 1201.0615 · arxiv_version: 1201.0615v1 · doi: 10.48550/arxiv.1201.0615 · pith_short_12: CMH2I33ISFNL · pith_short_16: CMH2I33ISFNLH3C5 · pith_short_8: CMH2I33I

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/CMH2I33ISFNLH3C53LDJL2X5UE \
  | 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: 130fa46f68915ab3ec5ddac695eafda135019a59297fa742fe3bd2d21c553ae5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbc61949b41d1462e290d5ba5e512607301f27089bd3f6c1ce09e73f5f52d5c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-01-03T12:27:35Z",
    "title_canon_sha256": "c875af04166a588adbd3690088eb368a3a661d8d63d6f7f8e788be1d30311e04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0615",
    "kind": "arxiv",
    "version": 1
  }
}