Pith Number

pith:ZB437OXW

pith:2006:ZB437OXWETYZIZ3YUKMLLSE7Z3

not attested not anchored not stored refs pending

A condition for any realistic theory of quantum systems

Alberto Montina

arxiv:quant-ph/0604155 v2 · 2006-04-20 · 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{ZB437OXWETYZIZ3YUKMLLSE7Z3}

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	2026-05-18T04:08:52.241180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c879bfbaf624f1946778a298b5c89fcec466b7ee17b70a79cfff7fa69ce77ba0

Aliases

arxiv: quant-ph/0604155 · arxiv_version: quant-ph/0604155v2 · doi: 10.48550/arxiv.quant-ph/0604155 · pith_short_12: ZB437OXWETYZ · pith_short_16: ZB437OXWETYZIZ3Y · pith_short_8: ZB437OXW

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/ZB437OXWETYZIZ3YUKMLLSE7Z3 \
  | 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: c879bfbaf624f1946778a298b5c89fcec466b7ee17b70a79cfff7fa69ce77ba0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72937c28ddb8d91263713c7bdf0e671f536aca45db8e710bdf71c619f3215f4f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-04-20T19:14:34Z",
    "title_canon_sha256": "39be7a86b8ba51368b99726b54d24f3c9c5537482cfd756e82b5ed94ab7515ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0604155",
    "kind": "arxiv",
    "version": 2
  }
}