Pith Number

pith:6PL7G23Q

pith:2024:6PL7G23QOLWDBGWUIEBWSC33KV

not attested not anchored not stored refs pending

Robust Filter Design for Graph Signals

Lucia Testa, Sergio Barbarossa, Stefania Sardellitti

arxiv:2403.16983 v1 · 2024-03-25 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PL7G23QOLWDBGWUIEBWSC33KV}

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	2026-07-05T08:00:23.291887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3d7f36b7072ec309ad44103690b7b55708d8d7d5eaaa8ace304bad3c068272f

Aliases

arxiv: 2403.16983 · arxiv_version: 2403.16983v1 · doi: 10.48550/arxiv.2403.16983 · pith_short_12: 6PL7G23QOLWD · pith_short_16: 6PL7G23QOLWDBGWU · pith_short_8: 6PL7G23Q

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/6PL7G23QOLWDBGWUIEBWSC33KV \
  | 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: f3d7f36b7072ec309ad44103690b7b55708d8d7d5eaaa8ace304bad3c068272f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d41298cb858cfc92aaa6261213d12a486c56f2236ffc55bfa96f98a5597cb1c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2024-03-25T17:43:55Z",
    "title_canon_sha256": "8a9419795f4f17b1598b118133182ae7c523e222091a8d8aa083aaff32e405b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.16983",
    "kind": "arxiv",
    "version": 1
  }
}