Pith Number

pith:5H5JGZ2R

pith:2018:5H5JGZ2RH64X3MP5JVRO5ZGZBP

not attested not anchored not stored refs pending

On Sparse Graph Fourier Transform

Farah Torkamani-Azar, Manas Khatua, Ngai-Man Cheung, Seyed Hamid Safavi

arxiv:1811.08609 v1 · 2018-11-21 · 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{5H5JGZ2RH64X3MP5JVRO5ZGZBP}

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	2026-05-18T00:00:12.079927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9fa9367513fb97db1fd4d62eee4d90be9b8e63f819b7f058c0bcff68baae1eb

Aliases

arxiv: 1811.08609 · arxiv_version: 1811.08609v1 · doi: 10.48550/arxiv.1811.08609 · pith_short_12: 5H5JGZ2RH64X · pith_short_16: 5H5JGZ2RH64X3MP5 · pith_short_8: 5H5JGZ2R

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/5H5JGZ2RH64X3MP5JVRO5ZGZBP \
  | 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: e9fa9367513fb97db1fd4d62eee4d90be9b8e63f819b7f058c0bcff68baae1eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3907db6ce2934442bf46117af3e713a6a34c550eed31eb0c1d8f05606975d34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-11-21T06:42:07Z",
    "title_canon_sha256": "b68ba01d6247ff828ae78e4180ebaa98efc90f658312a5d093df7b95e468d2f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08609",
    "kind": "arxiv",
    "version": 1
  }
}