Pith Number

pith:ZZGSDBMS

pith:2009:ZZGSDBMSMCMZQO7JGRI2QO5U3O

not attested not anchored not stored refs pending

A quantum logical and geometrical approach to the study of improper mixtures

Cesar Massri, Federico Holik, Graciela Domenech

arxiv:0904.3472 v2 · 2009-04-22 · 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{ZZGSDBMSMCMZQO7JGRI2QO5U3O}

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	2026-05-18T02:13:58.107356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce4d2185926099983be93451a83bb4dba4c1d0b0d07265ad38ae0b11da2182fb

Aliases

arxiv: 0904.3472 · arxiv_version: 0904.3472v2 · doi: 10.48550/arxiv.0904.3472 · pith_short_12: ZZGSDBMSMCMZ · pith_short_16: ZZGSDBMSMCMZQO7J · pith_short_8: ZZGSDBMS

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/ZZGSDBMSMCMZQO7JGRI2QO5U3O \
  | 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: ce4d2185926099983be93451a83bb4dba4c1d0b0d07265ad38ae0b11da2182fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e24e2effa80778b228bbad984629b226a62ca92bee892e56df2f15ff8ffa8c07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-04-22T14:55:22Z",
    "title_canon_sha256": "5f88e4b0da6417c0659c76782009f07092b9e890e4b4a6ac3c63545de83ff880"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3472",
    "kind": "arxiv",
    "version": 2
  }
}