Pith Number

pith:5JSJDPVX

pith:2017:5JSJDPVX4XZGTCTVGW7UGI5O37

not attested not anchored not stored refs pending

Faster Algorithms for Computing Maximal 2-Connected Subgraphs in Sparse Directed Graphs

Giuseppe F. Italiano, Nikos Parotsidis, Shiri Chechik, Thomas Dueholm Hansen, Veronika Loitzenbauer

arxiv:1705.10709 v1 · 2017-05-30 · 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{5JSJDPVX4XZGTCTVGW7UGI5O37}

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	2026-05-18T00:43:23.720297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea6491beb7e5f2698a7535bf4323aedfc8f322e38f7c5f06f7a024c74dd788bb

Aliases

arxiv: 1705.10709 · arxiv_version: 1705.10709v1 · doi: 10.48550/arxiv.1705.10709 · pith_short_12: 5JSJDPVX4XZG · pith_short_16: 5JSJDPVX4XZGTCTV · pith_short_8: 5JSJDPVX

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/5JSJDPVX4XZGTCTVGW7UGI5O37 \
  | 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: ea6491beb7e5f2698a7535bf4323aedfc8f322e38f7c5f06f7a024c74dd788bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de8b2bd88738144ad3f3236c31825041f75ed6f72a9c9d22ef1399ef7ec97f9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-05-30T15:46:20Z",
    "title_canon_sha256": "aecaf729cf165925e5247cf33b940e1f298923db19243afe83433e7588805f52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10709",
    "kind": "arxiv",
    "version": 1
  }
}