Pith Number

pith:4FHQADU7

pith:2018:4FHQADU7M4OHQBTKGANMQ4GJFV

not attested not anchored not stored refs pending

Detecting edges from non-uniform Fourier data via sparse Bayesian learning

Anne Gelb, Victor Churchill

arxiv:1811.12220 v1 · 2018-11-29 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FHQADU7M4OHQBTKGANMQ4GJFV}

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	2026-05-17T23:59:34.023711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e14f000e9f671c78066a301ac870c92d4b49475a0fc7ed74c991fb174864b86c

Aliases

arxiv: 1811.12220 · arxiv_version: 1811.12220v1 · doi: 10.48550/arxiv.1811.12220 · pith_short_12: 4FHQADU7M4OH · pith_short_16: 4FHQADU7M4OHQBTK · pith_short_8: 4FHQADU7

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/4FHQADU7M4OHQBTKGANMQ4GJFV \
  | 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: e14f000e9f671c78066a301ac870c92d4b49475a0fc7ed74c991fb174864b86c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53dcd40212d7b44efd45d8c7585a8a65839f127a92c6651a473f4bb348e32f7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-11-29T14:54:50Z",
    "title_canon_sha256": "0dc225670059f864b46c2accb78d727a4bff88151a773b6492e638bdce44b377"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.12220",
    "kind": "arxiv",
    "version": 1
  }
}