Pith Number

pith:I5TXXRDZ

pith:2014:I5TXXRDZJQXGIDTDKBCYQYBBCQ

not attested not anchored not stored refs pending

On testing single connectedness in directed graphs and some related problems

Martin Dietzfelbinger, Raed Jaberi

arxiv:1412.1639 v2 · 2014-12-04 · 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{I5TXXRDZJQXGIDTDKBCYQYBBCQ}

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	2026-05-18T02:25:55.730899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47677bc4794c2e640e6350458860211406d1648b56100002724855eeec9293d1

Aliases

arxiv: 1412.1639 · arxiv_version: 1412.1639v2 · doi: 10.48550/arxiv.1412.1639 · pith_short_12: I5TXXRDZJQXG · pith_short_16: I5TXXRDZJQXGIDTD · pith_short_8: I5TXXRDZ

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/I5TXXRDZJQXGIDTDKBCYQYBBCQ \
  | 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: 47677bc4794c2e640e6350458860211406d1648b56100002724855eeec9293d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81778e7066e9ab5fb07d458798121e248a9b032529f62fd6b93873b2abd4450a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-12-04T12:20:41Z",
    "title_canon_sha256": "d2fa8d8e343c51d86ae4f76d9061a8e24aa795a738e55002cc1d5f334b220348"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1639",
    "kind": "arxiv",
    "version": 2
  }
}