Pith Number

pith:EQAC2SBN

pith:1999:EQAC2SBN26WUVHMWZWSKHNXLEK

not attested not anchored not stored refs pending

Probabilities to accept languages by quantum finite automata

Andris Ambainis, Arnolds Kikusts, Richard Bonner, Rusins Freivalds

arxiv:quant-ph/9904066 v1 · 1999-04-16 · quant-ph · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQAC2SBN26WUVHMWZWSKHNXLEK}

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	2026-07-04T14:47:25.113658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24002d482dd7ad4a9d96cda4a3b6eb22985bccaa5b8afe0bc0add58758aa7ef4

Aliases

arxiv: quant-ph/9904066 · arxiv_version: quant-ph/9904066v1 · doi: 10.48550/arxiv.quant-ph/9904066 · pith_short_12: EQAC2SBN26WU · pith_short_16: EQAC2SBN26WUVHMW · pith_short_8: EQAC2SBN

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/EQAC2SBN26WUVHMWZWSKHNXLEK \
  | 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: 24002d482dd7ad4a9d96cda4a3b6eb22985bccaa5b8afe0bc0add58758aa7ef4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1d48dac8210df4f2223633fd08b522db0477c33eb817090e77dd3b6f8845497",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1999-04-16T17:35:20Z",
    "title_canon_sha256": "c6504501252d60ff9f5a95a5959bf9b8db1793c11154219b6cc85be5e00a24b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9904066",
    "kind": "arxiv",
    "version": 1
  }
}