Pith Number

pith:P7TRBVL2

pith:2020:P7TRBVL2JZIRNT6YRMUMAGR5ER

not attested not anchored not stored refs pending

Impact of COVID-19 on City-Scale Transportation and Safety: An Early Experience from Detroit

Tony G. Geara, Weisong Shi, Yongtao Yao

arxiv:2012.12080 v1 · 2020-08-28 · 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{P7TRBVL2JZIRNT6YRMUMAGR5ER}

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	2026-07-05T02:01:24.388161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fe710d57a4e5116cfd88b28c01a3d247e8237f37c8ebc1cd32e08383e020a69

Aliases

arxiv: 2012.12080 · arxiv_version: 2012.12080v1 · doi: 10.48550/arxiv.2012.12080 · pith_short_12: P7TRBVL2JZIR · pith_short_16: P7TRBVL2JZIRNT6Y · pith_short_8: P7TRBVL2

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/P7TRBVL2JZIRNT6YRMUMAGR5ER \
  | 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: 7fe710d57a4e5116cfd88b28c01a3d247e8237f37c8ebc1cd32e08383e020a69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4a109c5d73882a1f9650896ae2f9001b622c73d14200a77ec8a370ff3f5267d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2020-08-28T19:08:02Z",
    "title_canon_sha256": "5c74b2c7b68706c0a83ce653a0d144738142cd6296ea5e6b3134dc5899f43445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.12080",
    "kind": "arxiv",
    "version": 1
  }
}