Pith Number

pith:USS2DBEQ

pith:2025:USS2DBEQD3RMUFL7VN2RL5JBXH

not attested not anchored not stored refs pending

Modeling COVID-19 spread in the USA using metapopulation SIR models coupled with graph convolutional neural networks

Padmanabhan Seshaiyer, Petr Kisselev

arxiv:2501.02043 v1 · 2025-01-03 · stat.ML · cs.LG · math.DS · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USS2DBEQD3RMUFL7VN2RL5JBXH}

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	2026-07-05T09:57:00.828692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4a5a184901ee2ca157fab7515f521b9efa3e146bae1a6f8bb70cefc66d768d8

Aliases

arxiv: 2501.02043 · arxiv_version: 2501.02043v1 · doi: 10.48550/arxiv.2501.02043 · pith_short_12: USS2DBEQD3RM · pith_short_16: USS2DBEQD3RMUFL7 · pith_short_8: USS2DBEQ

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/USS2DBEQD3RMUFL7VN2RL5JBXH \
  | 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: a4a5a184901ee2ca157fab7515f521b9efa3e146bae1a6f8bb70cefc66d768d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3964a94b0edb0748a4ef5ad3f738dad5bb7a9177a6a603f75152da22ef4b1b6",
    "cross_cats_sorted": [
      "cs.LG",
      "math.DS",
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-01-03T18:06:26Z",
    "title_canon_sha256": "9af94878a99afbaa098b522a03405704991282f65624cde30af7b7bf7824b738"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.02043",
    "kind": "arxiv",
    "version": 1
  }
}