Pith Number

pith:2HH5BP4M

pith:2015:2HH5BP4MV3BUHMBQ4HLGIPCQMQ

not attested not anchored not stored refs pending

Distributed Linear Network Operators using Graph Filters

Alejandro Ribeiro, Antonio G. Marques, Santiago Segarra

arxiv:1510.03947 v2 · 2015-10-14 · cs.IT · cs.SY · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HH5BP4MV3BUHMBQ4HLGIPCQMQ}

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	2026-05-18T00:44:09.963609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1cfd0bf8caec343b030e1d6643c5064119fd0fea42ae218a41824b6e577bc8e

Aliases

arxiv: 1510.03947 · arxiv_version: 1510.03947v2 · doi: 10.48550/arxiv.1510.03947 · pith_short_12: 2HH5BP4MV3BU · pith_short_16: 2HH5BP4MV3BUHMBQ · pith_short_8: 2HH5BP4M

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/2HH5BP4MV3BUHMBQ4HLGIPCQMQ \
  | 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: d1cfd0bf8caec343b030e1d6643c5064119fd0fea42ae218a41824b6e577bc8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2979538fda9e9de1d9bc958759767446a190400de8be0ac9b34206d5ca746a71",
    "cross_cats_sorted": [
      "cs.SY",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-10-14T02:15:35Z",
    "title_canon_sha256": "4e84e7ae48df705e8ba6194d39a14cf51ecfcca1c4bac99c49a3319dc68df00c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03947",
    "kind": "arxiv",
    "version": 2
  }
}