Pith Number

pith:QP2WZ4DR

pith:2009:QP2WZ4DRYZ2DAD67VMM6NE2ETO

not attested not anchored not stored refs pending

Another Look at Quantum Neural Computing

Subhash Kak

arxiv:0908.3148 v2 · 2009-08-21 · cs.NE · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QP2WZ4DRYZ2DAD67VMM6NE2ETO}

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	2026-05-18T03:30:55.773061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83f56cf071c674300fdfab19e693449b8585a144e7c4ed4d8f4829ee7464d3ad

Aliases

arxiv: 0908.3148 · arxiv_version: 0908.3148v2 · doi: 10.48550/arxiv.0908.3148 · pith_short_12: QP2WZ4DRYZ2D · pith_short_16: QP2WZ4DRYZ2DAD67 · pith_short_8: QP2WZ4DR

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/QP2WZ4DRYZ2DAD67VMM6NE2ETO \
  | 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: 83f56cf071c674300fdfab19e693449b8585a144e7c4ed4d8f4829ee7464d3ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12f90e4c51a5de6bea23cbd113e24192d34f56c1629e6963cf5be05ae8bdefb8",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2009-08-21T15:17:36Z",
    "title_canon_sha256": "5dfd88af6d58705c91708d256248daa3061d21deec7339d66abb6ba402434556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3148",
    "kind": "arxiv",
    "version": 2
  }
}