Pith Number

pith:4HJQWDOD

pith:2020:4HJQWDODUJ3UHRUD67KRPKL2UH

not attested not anchored not stored refs pending

$2$-blocks in strongly biconnected directed graphs

Raed Jaberi

arxiv:2007.09793 v1 · 2020-07-19 · 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{4HJQWDODUJ3UHRUD67KRPKL2UH}

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.

Cited by

1 paper in Pith

Receipt and verification

First computed	2026-07-05T01:20:29.225355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d30b0dc3a27743c683f7d517a97aa1dd4898afa6d220ab055868293017286c

Aliases

arxiv: 2007.09793 · arxiv_version: 2007.09793v1 · doi: 10.48550/arxiv.2007.09793 · pith_short_12: 4HJQWDODUJ3U · pith_short_16: 4HJQWDODUJ3UHRUD · pith_short_8: 4HJQWDOD

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/4HJQWDODUJ3UHRUD67KRPKL2UH \
  | 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: e1d30b0dc3a27743c683f7d517a97aa1dd4898afa6d220ab055868293017286c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcb8edc2598a005ef2cc96e3bf873ab479e56960e9ad755dfdcd11128670a3f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-07-19T21:59:52Z",
    "title_canon_sha256": "00fe747723d0366682568b53a3f8a931d758c6b90083c2b241bfb2d273cf61f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.09793",
    "kind": "arxiv",
    "version": 1
  }
}