Pith Number

pith:4V2N5U7P

pith:1997:4V2N5U7PSDBV7XGQCSW467EOC7

not attested not anchored not stored refs pending

Quantum Computation and Decision Trees

Edward Farhi (MIT), Sam Gutmann (Northeastern)

arxiv:quant-ph/9706062 v2 · 1997-06-27 · 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{4V2N5U7PSDBV7XGQCSW467EOC7}

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.

Cited by

1 paper in Pith

A Quantum Approximate Optimization Algorithm

Receipt and verification

First computed	2026-07-04T16:06:30.144430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e574ded3ef90c35fdcd014adcf7c8e17fec2b05abfa57ebb69ac6ccd31d1b5fa

Aliases

arxiv: quant-ph/9706062 · arxiv_version: quant-ph/9706062v2 · doi: 10.48550/arxiv.quant-ph/9706062 · pith_short_12: 4V2N5U7PSDBV · pith_short_16: 4V2N5U7PSDBV7XGQ · pith_short_8: 4V2N5U7P

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/4V2N5U7PSDBV7XGQCSW467EOC7 \
  | 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: e574ded3ef90c35fdcd014adcf7c8e17fec2b05abfa57ebb69ac6ccd31d1b5fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a888606d3b8809479bd66bfe17b0ea6c645c3469866950aa51a7adf33fca0808",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1997-06-27T18:47:34Z",
    "title_canon_sha256": "f8915ae84e1622e2b27ee2966f5e2c1534ad7d90990938cd1ba38d232c20143c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9706062",
    "kind": "arxiv",
    "version": 2
  }
}