Pith Number

pith:UBQEQ3IY

pith:2012:UBQEQ3IYMTVUVCUNUYWXIJJ374

not attested not anchored not stored refs pending

Compact Support Biorthogonal Wavelet Filterbanks for Arbitrary Undirected Graphs

Antonio Ortega, Sunil K. Narang

arxiv:1210.8129 v2 · 2012-10-30 · cs.IT · cs.DC · 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{UBQEQ3IYMTVUVCUNUYWXIJJ374}

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	2026-05-18T01:53:35.392345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a060486d1864eb4a8a8da62d74253bff0788189737e00132bf137a44ec0e8390

Aliases

arxiv: 1210.8129 · arxiv_version: 1210.8129v2 · doi: 10.48550/arxiv.1210.8129 · pith_short_12: UBQEQ3IYMTVU · pith_short_16: UBQEQ3IYMTVUVCUN · pith_short_8: UBQEQ3IY

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/UBQEQ3IYMTVUVCUNUYWXIJJ374 \
  | 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: a060486d1864eb4a8a8da62d74253bff0788189737e00132bf137a44ec0e8390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa62fbfdb7d074cc9dfe02fda5b5de0ba4aab9779d3138f98be45b9eaf9164df",
    "cross_cats_sorted": [
      "cs.DC",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-10-30T19:33:35Z",
    "title_canon_sha256": "7aee7bee7249d929f6f0a23c2453c2521797ed2deaf31e7972221044e4e3b0b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8129",
    "kind": "arxiv",
    "version": 2
  }
}