Pith Number

pith:2KIKFZFA

pith:2018:2KIKFZFASVRNCZHLTAF7GDRXQJ

not attested not anchored not stored refs pending

Reconstruction-Cognizant Graph Sampling using Gershgorin Disc Alignment

Fen Wang, Gene Cheung, Wen Gao, Xianming Liu, Yuanchao Bai

arxiv:1811.03206 v2 · 2018-11-08 · 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{2KIKFZFASVRNCZHLTAF7GDRXQJ}

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	2026-05-17T23:53:50.252908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d290a2e4a09562d164eb980bf30e37827e576068263c960962f53436f970d115

Aliases

arxiv: 1811.03206 · arxiv_version: 1811.03206v2 · doi: 10.48550/arxiv.1811.03206 · pith_short_12: 2KIKFZFASVRN · pith_short_16: 2KIKFZFASVRNCZHL · pith_short_8: 2KIKFZFA

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/2KIKFZFASVRNCZHLTAF7GDRXQJ \
  | 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: d290a2e4a09562d164eb980bf30e37827e576068263c960962f53436f970d115

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42b5390b85ced34e10a2952fcc1c89987149cba7e4be29095ad3e10aa622aa7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-11-08T01:16:16Z",
    "title_canon_sha256": "e8f697b4132b4693cc8e73c1f813d649fa3fc0d1e3479b8e7ce6f1106e04b1dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03206",
    "kind": "arxiv",
    "version": 2
  }
}