Pith Number

pith:HIFRCMPB

pith:2004:HIFRCMPB445PYX62I4EITDE5QE

not attested not anchored not stored refs pending

Energetic Suppression of Decoherence in Exchange-Only Quantum Computation

C. Stephen Hellberg, Yaakov S. Weinstein

arxiv:quant-ph/0408037 v1 · 2004-08-05 · 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{HIFRCMPB445PYX62I4EITDE5QE}

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	2026-05-18T01:05:03.323499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a0b1131e1e73afc5fda4708898c9d813cc74bd0fcef61f8fffebc1cff82ecec

Aliases

arxiv: quant-ph/0408037 · arxiv_version: quant-ph/0408037v1 · doi: 10.48550/arxiv.quant-ph/0408037 · pith_short_12: HIFRCMPB445P · pith_short_16: HIFRCMPB445PYX62 · pith_short_8: HIFRCMPB

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/HIFRCMPB445PYX62I4EITDE5QE \
  | 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: 3a0b1131e1e73afc5fda4708898c9d813cc74bd0fcef61f8fffebc1cff82ecec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07cdeb5c4cec727d15ff545bf52bc45d318d7206702582c03a2a14181ecf5818",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-08-05T13:41:25Z",
    "title_canon_sha256": "2fc32128ecba955dcfe00a9b843f97195befc1be677b26f2ef54e6243ea4d15a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0408037",
    "kind": "arxiv",
    "version": 1
  }
}