Pith Number

pith:KAKCJCTC

pith:1997:KAKCJCTCGTAFXFLYJIWIPXWTYP

not attested not anchored not stored refs pending

Quantum conditional operator and a criterion for separability

C. Adami, N. J. Cerf, R. M. Gingrich (Caltech)

arxiv:quant-ph/9710001 v2 · 1997-10-01 · 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{KAKCJCTCGTAFXFLYJIWIPXWTYP}

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	2026-05-18T04:17:25.719254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5014248a6234c05b95784a2c87ded3c3ec545117d7a0c55e4cea306be13d146f

Aliases

arxiv: quant-ph/9710001 · arxiv_version: quant-ph/9710001v2 · doi: 10.48550/arxiv.quant-ph/9710001 · pith_short_12: KAKCJCTCGTAF · pith_short_16: KAKCJCTCGTAFXFLY · pith_short_8: KAKCJCTC

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/KAKCJCTCGTAFXFLYJIWIPXWTYP \
  | 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: 5014248a6234c05b95784a2c87ded3c3ec545117d7a0c55e4cea306be13d146f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96c756a8b7b09faf89668d2e740c16f15e25822aeedd4e3c4d5f9abb95420155",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1997-10-01T04:02:40Z",
    "title_canon_sha256": "ed6880dac626e6e286fa929a56b7542fbae23b91aa19dc38bddd9c7b0b76a166"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9710001",
    "kind": "arxiv",
    "version": 2
  }
}