Pith Number

pith:VJJEU6M7

pith:2016:VJJEU6M7SSYQU7WGFHLNFZQDFA

not attested not anchored not stored refs pending

On Distance-$d$ Independent Set and other problems in graphs with few minimal separators

Ioan Todinca, Pedro Montealegre

arxiv:1607.04545 v1 · 2016-07-15 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VJJEU6M7SSYQU7WGFHLNFZQDFA}

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	2026-05-18T01:11:00.914264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa524a799f94b10a7ec629d6d2e603283cdebf19479ea01195f5b60c00c5954e

Aliases

arxiv: 1607.04545 · arxiv_version: 1607.04545v1 · doi: 10.48550/arxiv.1607.04545 · pith_short_12: VJJEU6M7SSYQ · pith_short_16: VJJEU6M7SSYQU7WG · pith_short_8: VJJEU6M7

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/VJJEU6M7SSYQU7WGFHLNFZQDFA \
  | 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: aa524a799f94b10a7ec629d6d2e603283cdebf19479ea01195f5b60c00c5954e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ca6dc365765841b6b34c0dc18e6f2b0ff567e0dfec09950bf85d067de47a01b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-07-15T15:09:12Z",
    "title_canon_sha256": "d3242d5b43f8acc478cb5c7220d54f8cdd116a2670aa28736ceeeec7a12c9830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04545",
    "kind": "arxiv",
    "version": 1
  }
}