Pith Number

pith:OFOJJHFK

pith:2009:OFOJJHFKHCDOGFMHXZJQ7TWRUQ

not attested not anchored not stored refs pending

Frame Permutation Quantization

Ha Q. Nguyen, Lav R. Varshney, Vivek K Goyal

arxiv:0909.1599 v3 · 2009-09-09 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OFOJJHFKHCDOGFMHXZJQ7TWRUQ}

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	2026-05-18T02:20:48.241004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

715c949caa3886e31587be530fced1a41685060dee9013116f4b11b895e035e4

Aliases

arxiv: 0909.1599 · arxiv_version: 0909.1599v3 · doi: 10.48550/arxiv.0909.1599 · pith_short_12: OFOJJHFKHCDO · pith_short_16: OFOJJHFKHCDOGFMH · pith_short_8: OFOJJHFK

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/OFOJJHFKHCDOGFMHXZJQ7TWRUQ \
  | 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: 715c949caa3886e31587be530fced1a41685060dee9013116f4b11b895e035e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d67395de3ba72fedbe5f6cbe314d139d5bd46fc03ad1222f04121b32620efdb9",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-09-09T01:01:52Z",
    "title_canon_sha256": "549dc85b5581dd1cc1e4057694882f7d3058181afeaa53e42d2ebfc9d9102a67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1599",
    "kind": "arxiv",
    "version": 3
  }
}