Pith Number

pith:I4C5QWNU

pith:2020:I4C5QWNUFTE3TDGTT65FYNZYWE

not attested not anchored not stored refs pending

Measuring the effect of Non-Pharmaceutical Interventions (NPIs) on mobility during the COVID-19 pandemic using global mobility data

Amos A Folarin, Berber T Snoeijer, Mariska Burger, Richard JB Dobson, Shaoxiong Sun

arxiv:2009.09648 v1 · 2020-09-21 · physics.soc-ph · cs.SI · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I4C5QWNUFTE3TDGTT65FYNZYWE}

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	2026-07-05T01:36:42.974112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4705d859b42cc9b98cd39fba5c3738b12d204ea770b2cfad7891367c086e0bf9

Aliases

arxiv: 2009.09648 · arxiv_version: 2009.09648v1 · doi: 10.48550/arxiv.2009.09648 · pith_short_12: I4C5QWNUFTE3 · pith_short_16: I4C5QWNUFTE3TDGT · pith_short_8: I4C5QWNU

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/I4C5QWNUFTE3TDGTT65FYNZYWE \
  | 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: 4705d859b42cc9b98cd39fba5c3738b12d204ea770b2cfad7891367c086e0bf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13d003292e16d3107a939241dd3cf348536e7c50694e4d3c8026b4462fa71d5a",
    "cross_cats_sorted": [
      "cs.SI",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2020-09-21T07:18:47Z",
    "title_canon_sha256": "fe054f093a3ee1ae4f421a805b876408fc463dcd4f7beb197fcf41e14bf395d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.09648",
    "kind": "arxiv",
    "version": 1
  }
}