Pith Number

pith:F7VM4I4N

pith:2004:F7VM4I4NHTTQURHQILI2YW2VJC

not attested not anchored not stored refs pending

Computing with spins: From classical to quantum computing

S. Bandyopadhyay

arxiv:cond-mat/0404659 v3 · 2004-04-27 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7VM4I4NHTTQURHQILI2YW2VJC}

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	2026-05-18T04:30:24.219351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2feace238d3ce70a44f042d1ac5b5548a6e96af8e898b0e917a766e548f68517

Aliases

arxiv: cond-mat/0404659 · arxiv_version: cond-mat/0404659v3 · doi: 10.48550/arxiv.cond-mat/0404659 · pith_short_12: F7VM4I4NHTTQ · pith_short_16: F7VM4I4NHTTQURHQ · pith_short_8: F7VM4I4N

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/F7VM4I4NHTTQURHQILI2YW2VJC \
  | 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: 2feace238d3ce70a44f042d1ac5b5548a6e96af8e898b0e917a766e548f68517

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71d34c612f21b363fed6467f852c165f434b803aece2d734db9fa2f0baf1f187",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2004-04-27T22:44:25Z",
    "title_canon_sha256": "0944f19ba8e54380fabdea5f24964520fee18bfaadae6f6be8b1d133d799b995"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0404659",
    "kind": "arxiv",
    "version": 3
  }
}