Pith Number

pith:YN66PH7I

pith:2014:YN66PH7I5B2SAFCE7QFMQWFVCB

not attested not anchored not stored refs pending

Distance Landmarks Revisited for Road Graphs

Haixun Wang, Jianxin Li, Jinpeng Huai, Kaiyu Feng, Shuai Ma

arxiv:1401.2690 v1 · 2014-01-13 · cs.DB

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YN66PH7I5B2SAFCE7QFMQWFVCB}

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	2026-05-18T03:02:32.516951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c37de79fe8e875201444fc0ac858b5106f4fac2fad7591a5fdfc14393b9804fc

Aliases

arxiv: 1401.2690 · arxiv_version: 1401.2690v1 · doi: 10.48550/arxiv.1401.2690 · pith_short_12: YN66PH7I5B2S · pith_short_16: YN66PH7I5B2SAFCE · pith_short_8: YN66PH7I

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/YN66PH7I5B2SAFCE7QFMQWFVCB \
  | 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: c37de79fe8e875201444fc0ac858b5106f4fac2fad7591a5fdfc14393b9804fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e22ecdff49458f982d4f5fff0dd5b93b12c179b7b02ff1c385e309281261278c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2014-01-13T00:56:12Z",
    "title_canon_sha256": "bf54880aa23d09dc9d9386030d7d20ad2aba4d90c9e6274e88eda21ef4f6cf2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2690",
    "kind": "arxiv",
    "version": 1
  }
}