Pith Number

pith:SBTR3RLC

pith:2014:SBTR3RLCILNF4WZCOUIJAOSQFS

not attested not anchored not stored refs pending

Designing Gabor windows using convex optimization

Nathana\"el Perraudin, Nicki Holighaus, Peter Balazs, Peter L. S{\o}ndergaard

arxiv:1401.6033 v4 · 2014-01-23 · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SBTR3RLCILNF4WZCOUIJAOSQFS}

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	2026-05-18T00:18:47.242868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90671dc56242da5e5b227510903a502ca74a1042ffdf5681ad01ee6465970fbd

Aliases

arxiv: 1401.6033 · arxiv_version: 1401.6033v4 · doi: 10.48550/arxiv.1401.6033 · pith_short_12: SBTR3RLCILNF · pith_short_16: SBTR3RLCILNF4WZC · pith_short_8: SBTR3RLC

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/SBTR3RLCILNF4WZCOUIJAOSQFS \
  | 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: 90671dc56242da5e5b227510903a502ca74a1042ffdf5681ad01ee6465970fbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f9812736bacc929cabc02b4fc881ac0c1a2e60d28d193bb3afc8bead8310049",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-01-23T16:12:14Z",
    "title_canon_sha256": "88645527597f62f68c5eb6e343a7f7667a5a1ffd3086e7b84551a1eebba4ea38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6033",
    "kind": "arxiv",
    "version": 4
  }
}