Pith Number

pith:77OQME7L

pith:2014:77OQME7LOAOLQLHZTKWQJS4ARD

not attested not anchored not stored refs pending

Discovery of Important Crossroads in Road Network using Massive Taxi Trajectories

Geqi Qi, Haohan Wang, Jianping Wu, Kezhen Hu, Ming Xu, Yiman Du, Yunpeng Xiao

arxiv:1407.2506 v6 · 2014-07-09 · cs.AI · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77OQME7LOAOLQLHZTKWQJS4ARD}

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	2026-05-18T00:16:10.024376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffdd0613eb701cb82cf99aad04cb8088c98dbc0f8353bd434d1dfb81c85c45d7

Aliases

arxiv: 1407.2506 · arxiv_version: 1407.2506v6 · doi: 10.48550/arxiv.1407.2506 · pith_short_12: 77OQME7LOAOL · pith_short_16: 77OQME7LOAOLQLHZ · pith_short_8: 77OQME7L

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/77OQME7LOAOLQLHZTKWQJS4ARD \
  | 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: ffdd0613eb701cb82cf99aad04cb8088c98dbc0f8353bd434d1dfb81c85c45d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccbab4277b55f189080ecf88d8dae98f36a0d6aaa74b7b023556d8821ebda3ec",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-07-09T14:46:58Z",
    "title_canon_sha256": "c5525a43f9787bf3c0cb5cf3ec2abafe31a3a78bbd62fbc5f5cedd07a4c19715"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2506",
    "kind": "arxiv",
    "version": 6
  }
}