Pith Number

pith:4N5CWQVB

pith:2004:4N5CWQVBVVUM6LAIOBMBRXRHST

not attested not anchored not stored refs pending

An atom diode

A. Ruschhaupt, J. G. Muga

arxiv:quant-ph/0408133 v1 · 2004-08-20 · 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{4N5CWQVBVVUM6LAIOBMBRXRHST}

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	2026-07-04T14:46:40.087877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e37a2b42a1ad68cf2c08705818de2794f4b39d83e86853cba7d737d36c620ff9

Aliases

arxiv: quant-ph/0408133 · arxiv_version: quant-ph/0408133v1 · doi: 10.48550/arxiv.quant-ph/0408133 · pith_short_12: 4N5CWQVBVVUM · pith_short_16: 4N5CWQVBVVUM6LAI · pith_short_8: 4N5CWQVB

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/4N5CWQVBVVUM6LAIOBMBRXRHST \
  | 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: e37a2b42a1ad68cf2c08705818de2794f4b39d83e86853cba7d737d36c620ff9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79ba78068d131d9893c150ada6af103fb56301f189b6eff3e4fc62bbfc3dafae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-08-20T11:20:24Z",
    "title_canon_sha256": "6fd322436ae7fdb1b5b9b5fa8358ad5c35fe8780ecb09dacd0960b94fab818a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0408133",
    "kind": "arxiv",
    "version": 1
  }
}