Pith Number

pith:4HLNRFUL

pith:2019:4HLNRFULLWDWQKQFHTJWICQMBJ

not attested not anchored not stored refs pending

Fast Public Transit Routing with Unrestricted Walking through Hub Labeling

Duc-Minh Phan, IRIF, Laurent Viennot (GANG, LINCS, UPD7)

arxiv:1906.08971 v1 · 2019-06-21 · cs.NI · 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{4HLNRFULLWDWQKQFHTJWICQMBJ}

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	2026-05-17T23:42:47.202197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d6d8968b5d87682a053cd3640a0c0a4f32c99d5fe495d9425c02424066e364

Aliases

arxiv: 1906.08971 · arxiv_version: 1906.08971v1 · doi: 10.48550/arxiv.1906.08971 · pith_short_12: 4HLNRFULLWDW · pith_short_16: 4HLNRFULLWDWQKQF · pith_short_8: 4HLNRFUL

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/4HLNRFULLWDWQKQFHTJWICQMBJ \
  | 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: e1d6d8968b5d87682a053cd3640a0c0a4f32c99d5fe495d9425c02424066e364

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f1a34d827c0766dc471c833c8df025ff1fd2ea830ae54fbff3e0186d04ea98a",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-06-21T06:25:10Z",
    "title_canon_sha256": "8c908ab35d845263e692a4a09e1cc068609688da063a0defedc9c942f7887f96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08971",
    "kind": "arxiv",
    "version": 1
  }
}