Pith Number

pith:CSD22KNW

pith:2012:CSD22KNWXFWP2KTJAZA2R5WCAW

not attested not anchored not stored refs pending

Quantum models of classical world

Petr Hajicek

arxiv:1212.2400 v2 · 2012-12-11 · 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{CSD22KNWXFWP2KTJAZA2R5WCAW}

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	2026-05-18T03:32:16.789786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1487ad29b6b96cfd2a690641a8f6c205bf1c36f2b0c2a3c20810dd8166a92f85

Aliases

arxiv: 1212.2400 · arxiv_version: 1212.2400v2 · doi: 10.48550/arxiv.1212.2400 · pith_short_12: CSD22KNWXFWP · pith_short_16: CSD22KNWXFWP2KTJ · pith_short_8: CSD22KNW

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/CSD22KNWXFWP2KTJAZA2R5WCAW \
  | 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: 1487ad29b6b96cfd2a690641a8f6c205bf1c36f2b0c2a3c20810dd8166a92f85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5799344d0a64b086515d54f5b05020b4fa93947bb32ef60bd167da6bc221861a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-11T12:41:13Z",
    "title_canon_sha256": "2e390e9acb443323a92af14d4f427f9272222720c2ba2fac070c954b32f5c4f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2400",
    "kind": "arxiv",
    "version": 2
  }
}