Pith Number

pith:TFFO63BI

pith:2013:TFFO63BIVUJMDCZGFPT5DKH2LO

not attested not anchored not stored refs pending

Sparse Time Frequency Representations and Dynamical Systems

P. Tavallali, T. Y. Hou, Z. Shi

arxiv:1312.0202 v1 · 2013-12-01 · 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{TFFO63BIVUJMDCZGFPT5DKH2LO}

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	2026-05-18T03:05:46.386021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

994aef6c28ad12c18b262be7d1a8fa5baf32048d0b76fd18d27f4fe0c09a83c1

Aliases

arxiv: 1312.0202 · arxiv_version: 1312.0202v1 · doi: 10.48550/arxiv.1312.0202 · pith_short_12: TFFO63BIVUJM · pith_short_16: TFFO63BIVUJMDCZG · pith_short_8: TFFO63BI

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/TFFO63BIVUJMDCZGFPT5DKH2LO \
  | 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: 994aef6c28ad12c18b262be7d1a8fa5baf32048d0b76fd18d27f4fe0c09a83c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7562e4ac1df05b375f65f04a7e2b4d2515bfd0388a3df3b8b7491860ff4f9398",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-12-01T11:30:16Z",
    "title_canon_sha256": "185d23fd17e1ee266dcf94e4dbe5afa3e175c5880315ce4cd5486860006a70cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0202",
    "kind": "arxiv",
    "version": 1
  }
}