Pith Number

pith:C6OC2S5J

pith:2021:C6OC2S5J5K7JZPWNRFP36QLJIG

not attested not anchored not stored refs pending

Knowledge discovery from emergency ambulance dispatch during COVID-19: A case study of Nagoya City, Japan

Akimasa Hirata, Essam A. Rashed, Hidenobu Shirakami, Kazuhiro Watanabe, Ryotetsu Kawaguchi, Sachiko Kodera

arxiv:2102.08628 v1 · 2021-02-17 · cs.AI · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6OC2S5J5K7JZPWNRFP36QLJIG}

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	2026-07-05T02:24:54.043180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

179c2d4ba9eabe9cbecd895fbf416941a6aa6be6ff4d7fbd80df9cf100fe5ba1

Aliases

arxiv: 2102.08628 · arxiv_version: 2102.08628v1 · doi: 10.48550/arxiv.2102.08628 · pith_short_12: C6OC2S5J5K7J · pith_short_16: C6OC2S5J5K7JZPWN · pith_short_8: C6OC2S5J

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/C6OC2S5J5K7JZPWNRFP36QLJIG \
  | 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: 179c2d4ba9eabe9cbecd895fbf416941a6aa6be6ff4d7fbd80df9cf100fe5ba1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c789002852da984f3d41cb75d01ac760cc4f988e908a6b9612d2f6dca12e147a",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-02-17T08:37:05Z",
    "title_canon_sha256": "a7f566f733646aad662bc1e4995d4d749aacf828934ca70795c2ed7ab185efaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08628",
    "kind": "arxiv",
    "version": 1
  }
}