Pith Number

pith:W3EHB2AP

pith:2012:W3EHB2AP4BU4DYG5N4QN3PRRWV

not attested not anchored not stored refs pending

Regression relation for pure quantum states and its implications for efficient computing

Boris V. Fine, Tarek A. Elsayed

arxiv:1208.4652 v2 · 2012-08-23 · cond-mat.stat-mech · cond-mat.str-el · 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{W3EHB2AP4BU4DYG5N4QN3PRRWV}

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	2026-05-18T01:54:59.288131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6c870e80fe069c1e0dd6f20ddbe31b575cb05c62d0daeba2a6a76791dc389ac

Aliases

arxiv: 1208.4652 · arxiv_version: 1208.4652v2 · doi: 10.48550/arxiv.1208.4652 · pith_short_12: W3EHB2AP4BU4 · pith_short_16: W3EHB2AP4BU4DYG5 · pith_short_8: W3EHB2AP

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/W3EHB2AP4BU4DYG5N4QN3PRRWV \
  | 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: b6c870e80fe069c1e0dd6f20ddbe31b575cb05c62d0daeba2a6a76791dc389ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8a69633f2df06c77221f3af70eda7a3d94d0cb32e7f55a8728cb641f5106629",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2012-08-23T01:05:02Z",
    "title_canon_sha256": "847d5ffa97a763fb697dcc67b519f375a398326131cce144119348114e791857"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4652",
    "kind": "arxiv",
    "version": 2
  }
}