Pith Number

pith:A33XBQSM

pith:2019:A33XBQSMSSGOOL5CTL6QJRAUXA

not attested not anchored not stored refs pending

Reachability in High Treewidth Graphs

Raghunath Tewari, Rahul Jain

arxiv:1901.11285 v2 · 2019-01-31 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A33XBQSMSSGOOL5CTL6QJRAUXA}

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	2026-05-17T23:54:47.817740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06f770c24c948ce72fa29afd04c414b80ce08007d9c81548c5ac91da5878e7ec

Aliases

arxiv: 1901.11285 · arxiv_version: 1901.11285v2 · doi: 10.48550/arxiv.1901.11285 · pith_short_12: A33XBQSMSSGO · pith_short_16: A33XBQSMSSGOOL5C · pith_short_8: A33XBQSM

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/A33XBQSMSSGOOL5CTL6QJRAUXA \
  | 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: 06f770c24c948ce72fa29afd04c414b80ce08007d9c81548c5ac91da5878e7ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39ccdce1f09f4bcd48f3e3327ac7e53319c52f8a16dfcb22392fb82ce5085a7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-01-31T09:35:14Z",
    "title_canon_sha256": "8fdf9da85f7ff56b7970d39c26e9a1666c34bb60617946dcd8e254a7ea0505b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.11285",
    "kind": "arxiv",
    "version": 2
  }
}