Pith Number

pith:XQ4HUVBA

pith:2025:XQ4HUVBASHSL5T7NTLYWGCZEPK

not attested not anchored not stored refs pending

Signal-adapted decomposition of graph signals

Carl-Fredrik Westin, Dimitri Van De Ville, Harry H. Behjat, Rik Ossenkoppele

arxiv:2502.11845 v1 · 2025-02-17 · 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{XQ4HUVBASHSL5T7NTLYWGCZEPK}

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	2026-07-05T10:15:35.136517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc387a542091e4becfed9af1630b247a8f8f01bcc64ca545590bb2b6428968f5

Aliases

arxiv: 2502.11845 · arxiv_version: 2502.11845v1 · doi: 10.48550/arxiv.2502.11845 · pith_short_12: XQ4HUVBASHSL · pith_short_16: XQ4HUVBASHSL5T7N · pith_short_8: XQ4HUVBA

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/XQ4HUVBASHSL5T7NTLYWGCZEPK \
  | 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: bc387a542091e4becfed9af1630b247a8f8f01bcc64ca545590bb2b6428968f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "284b2bf2e755c585c09d922017c7e9f45e4ff459a99612accbc6a89d0589d304",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-02-17T14:39:52Z",
    "title_canon_sha256": "3ff5deb27893ae8e7b2c2353768528969e736ddeb99ae4d9fe24287775802e00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.11845",
    "kind": "arxiv",
    "version": 1
  }
}