Pith Number

pith:PMUUFSMG

pith:2011:PMUUFSMGEGBQRQUDFPABAMNN3F

not attested not anchored not stored refs pending

Not all physical errors can be linear CPTP maps in a correlation space

Keisuke Fujii, Tomoyuki Morimae

arxiv:1106.3720 v2 · 2011-06-19 · 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{PMUUFSMGEGBQRQUDFPABAMNN3F}

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	2026-05-18T03:49:45.863377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b2942c986218308c2832bc01031add961589c31c292690179573e12306b9d13

Aliases

arxiv: 1106.3720 · arxiv_version: 1106.3720v2 · doi: 10.48550/arxiv.1106.3720 · pith_short_12: PMUUFSMGEGBQ · pith_short_16: PMUUFSMGEGBQRQUD · pith_short_8: PMUUFSMG

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/PMUUFSMGEGBQRQUDFPABAMNN3F \
  | 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: 7b2942c986218308c2832bc01031add961589c31c292690179573e12306b9d13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cddf1e476d24ff349662f18423de7f9ffbcdf084cee0d63bd42b92bf49d1d7b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-06-19T08:37:01Z",
    "title_canon_sha256": "06e5ebd0db48c159477bbc9e400690586ecc8b91b9eb9fdbae91817bcaa5598b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3720",
    "kind": "arxiv",
    "version": 2
  }
}