Pith Number

pith:MAHK2EUY

pith:2014:MAHK2EUYSV4OH3VCDWMVI6UWPV

not attested not anchored not stored refs pending

On computing the $2$-vertex-connected components of directed graphs

Raed Jaberi

arxiv:1401.6000 v1 · 2014-01-23 · 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{MAHK2EUYSV4OH3VCDWMVI6UWPV}

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	2026-05-18T03:01:23.186759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

600ead12989578e3eea21d99547a967d5e918f330d0fd864e5a8c94cacd405c0

Aliases

arxiv: 1401.6000 · arxiv_version: 1401.6000v1 · doi: 10.48550/arxiv.1401.6000 · pith_short_12: MAHK2EUYSV4O · pith_short_16: MAHK2EUYSV4OH3VC · pith_short_8: MAHK2EUY

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/MAHK2EUYSV4OH3VCDWMVI6UWPV \
  | 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: 600ead12989578e3eea21d99547a967d5e918f330d0fd864e5a8c94cacd405c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d387df13c1bed55ce1458b52d3483262b7c1378a8cf8e5f8432439df983ef337",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-01-23T15:22:23Z",
    "title_canon_sha256": "8324a3043b34e7aff2f8c6cd84a5d8b1011cedd875e8519605cc33167745a632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6000",
    "kind": "arxiv",
    "version": 1
  }
}