Pith Number

pith:RRAMQK4J

pith:2009:RRAMQK4JOL645RR4LO2V3CTCCY

not attested not anchored not stored refs pending

Superposition frames for adaptive time-frequency analysis and fast reconstruction

Daniel Rudoy, Patrick J. Wolfe, Prabahan Basu

arxiv:0906.5202 v2 · 2009-06-29 · math.NA · cs.NA · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRAMQK4JOL645RR4LO2V3CTCCY}

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	2026-06-03T23:06:27.489229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c40c82b8972fdcec63c5bb55d8a62161ce6d35c80bcc9c52f15b11ae7a99481

Aliases

arxiv: 0906.5202 · arxiv_version: 0906.5202v2 · doi: 10.48550/arxiv.0906.5202 · pith_short_12: RRAMQK4JOL64 · pith_short_16: RRAMQK4JOL645RR4 · pith_short_8: RRAMQK4J

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/RRAMQK4JOL645RR4LO2V3CTCCY \
  | 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: 8c40c82b8972fdcec63c5bb55d8a62161ce6d35c80bcc9c52f15b11ae7a99481

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "040487d392061695448b3fda68dc71530fedbd73fa76bf00a140f4b4ce469444",
    "cross_cats_sorted": [
      "cs.NA",
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-06-29T19:49:30Z",
    "title_canon_sha256": "34fd7b361a0744ed285f30a046a9ff1950477bd8ae1ee760638226b5c5134de3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5202",
    "kind": "arxiv",
    "version": 2
  }
}