Pith Number

pith:EMCSJXUR

pith:2016:EMCSJXURFPUZCV6GNXDFQDANZR

not attested not anchored not stored refs pending

Space-Efficient Biconnected Components and Recognition of Outerplanar Graphs

Dieter Kratsch, Frank Kammer, Moritz Laudahn

arxiv:1606.04679 v2 · 2016-06-15 · 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{EMCSJXURFPUZCV6GNXDFQDANZR}

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	2026-05-18T00:55:34.141420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

230524de912be99157c66dc6580c0dcc5a93c028d68289b3854797f3f19165cf

Aliases

arxiv: 1606.04679 · arxiv_version: 1606.04679v2 · doi: 10.48550/arxiv.1606.04679 · pith_short_12: EMCSJXURFPUZ · pith_short_16: EMCSJXURFPUZCV6G · pith_short_8: EMCSJXUR

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/EMCSJXURFPUZCV6GNXDFQDANZR \
  | 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: 230524de912be99157c66dc6580c0dcc5a93c028d68289b3854797f3f19165cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2917e5ff302f4b083ae4cd9bb15c05d2ca205a8f7f01c81119fbc6794077122",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-06-15T08:44:16Z",
    "title_canon_sha256": "5d880f67073bd2dd751bcacbf2e6582d9ff8d89d3a8bb164fb113955313a6ede"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.04679",
    "kind": "arxiv",
    "version": 2
  }
}