Pith Number

pith:SDFT4CTZ

pith:2016:SDFT4CTZKEGZWAHMPRHRYW3X2H

not attested not anchored not stored refs pending

Multi-dimensional filtering: Reducing the dimension through rotation

Jennifer K. Ryan, Julia Docampo S\'anchez, Mahsa Mirzargar, Robert M. Kirby

arxiv:1610.02317 v1 · 2016-10-07 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDFT4CTZKEGZWAHMPRHRYW3X2H}

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	2026-05-18T01:02:57.761387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90cb3e0a79510d9b00ec7c4f1c5b77d1c6e11451e11366a3333de0b69a11b105

Aliases

arxiv: 1610.02317 · arxiv_version: 1610.02317v1 · doi: 10.48550/arxiv.1610.02317 · pith_short_12: SDFT4CTZKEGZ · pith_short_16: SDFT4CTZKEGZWAHM · pith_short_8: SDFT4CTZ

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/SDFT4CTZKEGZWAHMPRHRYW3X2H \
  | 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: 90cb3e0a79510d9b00ec7c4f1c5b77d1c6e11451e11366a3333de0b69a11b105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "523bd89957a59a15f4c58b21336a0d83f2ec079877867d71af29d95e0503121e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-07T15:04:53Z",
    "title_canon_sha256": "16dfa8d32c777d9cb402dee2816e02383f7ca1e88bfb618c13932be4204525d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.02317",
    "kind": "arxiv",
    "version": 1
  }
}