Pith Number

pith:ULPECXJI

pith:2019:ULPECXJIQXAFN7UZFPGAOB6QH4

not attested not anchored not stored refs pending

Road Maintenance Operation Start Time Optimization Based on Real-time Traffic Map Data

Qun Yang, Zhepu Xu

arxiv:1907.03814 v1 · 2019-07-08 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULPECXJIQXAFN7UZFPGAOB6QH4}

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	2026-05-17T23:41:06.784808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2de415d2885c056fe992bcc0707d03f3623be15dd085efe0a528ba2057a9260

Aliases

arxiv: 1907.03814 · arxiv_version: 1907.03814v1 · doi: 10.48550/arxiv.1907.03814 · pith_short_12: ULPECXJIQXAF · pith_short_16: ULPECXJIQXAFN7UZ · pith_short_8: ULPECXJI

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/ULPECXJIQXAFN7UZFPGAOB6QH4 \
  | 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: a2de415d2885c056fe992bcc0707d03f3623be15dd085efe0a528ba2057a9260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36b1406c5fff974bb1bbdc3d3805055d51cfa8d45705af1d4eb7ca4d9ef86949",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-07-08T18:59:23Z",
    "title_canon_sha256": "9f3d1aa346928bda0a0da689182633643a096e3bbaf019b2619e6f5ef226d869"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03814",
    "kind": "arxiv",
    "version": 1
  }
}