Pith Number

pith:CIJ2VFVA

pith:2015:CIJ2VFVA2ICLBWFRTTAENTDNZO

not attested not anchored not stored refs pending

A Simple Baseline for Travel Time Estimation using Large-Scale Trip Data

Dan Kifer, Hongjian Wang, Yu-Hsuan Kuo, Zhenhui Li

arxiv:1512.08580 v1 · 2015-12-28 · cs.LG · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CIJ2VFVA2ICLBWFRTTAENTDNZO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:23:37.309271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1213aa96a0d204b0d8b19cc046cc6dcbbec65fbe082d5a4c4cd2ee598acb2a5f

Aliases

arxiv: 1512.08580 · arxiv_version: 1512.08580v1 · doi: 10.48550/arxiv.1512.08580 · pith_short_12: CIJ2VFVA2ICL · pith_short_16: CIJ2VFVA2ICLBWFR · pith_short_8: CIJ2VFVA

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/CIJ2VFVA2ICLBWFRTTAENTDNZO \
  | 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: 1213aa96a0d204b0d8b19cc046cc6dcbbec65fbe082d5a4c4cd2ee598acb2a5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b925e918698c68c0a2cb354df84a3011ff6f99f1fdc978200378dfb4a3e9c57",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-12-28T20:31:38Z",
    "title_canon_sha256": "32f03f11291923b3f123522b6e06d01c39940d88bdc5e88f78d5e94008a63c94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08580",
    "kind": "arxiv",
    "version": 1
  }
}