Pith Number

pith:4VJ7PTQ4

pith:2000:4VJ7PTQ4FZRJQ2NQJGQ2IDDFRV

not attested not anchored not stored refs pending

Quantum Computing Using Electrons Floating on Liquid Helium

M. I. Dykman, P. M. Platzman

arxiv:quant-ph/0007113 v1 · 2000-07-28 · 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{4VJ7PTQ4FZRJQ2NQJGQ2IDDFRV}

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	2026-05-18T01:38:03.075245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e553f7ce1c2e629869b049a1a40c658d49f1bffb161a73dec059ee579113708d

Aliases

arxiv: quant-ph/0007113 · arxiv_version: quant-ph/0007113v1 · doi: 10.48550/arxiv.quant-ph/0007113 · pith_short_12: 4VJ7PTQ4FZRJ · pith_short_16: 4VJ7PTQ4FZRJQ2NQ · pith_short_8: 4VJ7PTQ4

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/4VJ7PTQ4FZRJQ2NQJGQ2IDDFRV \
  | 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: e553f7ce1c2e629869b049a1a40c658d49f1bffb161a73dec059ee579113708d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "392da37417a644cdbb2886901783b9c35d23327d2f142769dc86da969f0cf711",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-07-28T22:50:40Z",
    "title_canon_sha256": "97b2cad6dd43cc85ecc400c42e102a0dba819a2edaac25f0d8c5fd1fd71045c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0007113",
    "kind": "arxiv",
    "version": 1
  }
}