Pith Number

pith:WR6IGQVY

pith:2017:WR6IGQVYPQXYL6RIJ4IFU76CSQ

not attested not anchored not stored refs pending

Steerable Discrete Fourier Transform

Enrico Magli, Giulia Fracastoro

arxiv:1703.05022 v1 · 2017-03-15 · 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{WR6IGQVYPQXYL6RIJ4IFU76CSQ}

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	2026-05-18T00:48:38.568968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b47c8342b87c2f85fa284f105a7fc2941a2c28bfa9a3fdd32ba6190c2bdcce00

Aliases

arxiv: 1703.05022 · arxiv_version: 1703.05022v1 · doi: 10.48550/arxiv.1703.05022 · pith_short_12: WR6IGQVYPQXY · pith_short_16: WR6IGQVYPQXYL6RI · pith_short_8: WR6IGQVY

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/WR6IGQVYPQXYL6RIJ4IFU76CSQ \
  | 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: b47c8342b87c2f85fa284f105a7fc2941a2c28bfa9a3fdd32ba6190c2bdcce00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccef1a181fff2aa15400e0f73a956bafbad852edba49ecdef2c4799f2d2df19a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-03-15T09:05:13Z",
    "title_canon_sha256": "a5d9dbe3a7e051690c34638570e0570331a770fd5c8d878aa52e007fbfb5ee59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05022",
    "kind": "arxiv",
    "version": 1
  }
}