Pith Number

pith:KS2ZGDGO

pith:1997:KS2ZGDGOG3WMG7XULRWNN7FZT5

not attested not anchored not stored refs pending

Cryptography, Quantum Computation and Trapped Ions

Richard J. Hughes

arxiv:quant-ph/9712054 v1 · 1997-12-23 · 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{KS2ZGDGOG3WMG7XULRWNN7FZT5}

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	2026-05-18T01:37:52.998579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54b5930cce36ecc37ef45c6cd6fcb99f5593fac8f7ec298db246a82315b21795

Aliases

arxiv: quant-ph/9712054 · arxiv_version: quant-ph/9712054v1 · doi: 10.48550/arxiv.quant-ph/9712054 · pith_short_12: KS2ZGDGOG3WM · pith_short_16: KS2ZGDGOG3WMG7XU · pith_short_8: KS2ZGDGO

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/KS2ZGDGOG3WMG7XULRWNN7FZT5 \
  | 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: 54b5930cce36ecc37ef45c6cd6fcb99f5593fac8f7ec298db246a82315b21795

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "128983c8843a31405bf6643509eff6735be00e1d1b55f94e9d8b7a33907f0238",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1997-12-23T19:24:04Z",
    "title_canon_sha256": "039408cf77121c5d0f6a2a3a0cb4e58f9bd847b259575971c5827eb44f4f0d7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9712054",
    "kind": "arxiv",
    "version": 1
  }
}