Pith Number

pith:FJCD4S4V

pith:2009:FJCD4S4VM2SMKFPCCRMSBEZC6D

not attested not anchored not stored refs pending

Computation and Dynamics: Classical and Quantum

Vladimir V. Kisil

arxiv:0909.1594 v1 · 2009-09-08 · quant-ph · cs.CC · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJCD4S4VM2SMKFPCCRMSBEZC6D}

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	2026-05-18T02:11:58.295547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a443e4b9566a4c515e21459209322f0d693f2b54d8df78f9bcfc7f695bb6bad

Aliases

arxiv: 0909.1594 · arxiv_version: 0909.1594v1 · doi: 10.48550/arxiv.0909.1594 · pith_short_12: FJCD4S4VM2SM · pith_short_16: FJCD4S4VM2SMKFPC · pith_short_8: FJCD4S4V

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/FJCD4S4VM2SMKFPCCRMSBEZC6D \
  | 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: 2a443e4b9566a4c515e21459209322f0d693f2b54d8df78f9bcfc7f695bb6bad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59bb9b499589f3ff6f22b8cbd6525ceb3bcda0b5d886c3ee6b0560c07eae460c",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.FL"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-09-08T23:24:15Z",
    "title_canon_sha256": "7691f49dbfd5c036dc717e0134b2a691365341b285f2353b818bdb58d8e92198"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1594",
    "kind": "arxiv",
    "version": 1
  }
}