Pith Number

pith:RH3HS3WG

pith:2022:RH3HS3WGASFPP6ZYEGC6CE4UJC

not attested not anchored not stored refs pending

A Modified PINN Approach for Identifiable Compartmental Models in Epidemiology with Applications to COVID-19

Connor M Kennedy, Haoran Hu, Hongkun Zhang, Panayotis G. Kevrekidis

arxiv:2208.01169 v2 · 2022-08-01 · q-bio.PE · cs.NE · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RH3HS3WGASFPP6ZYEGC6CE4UJC}

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	2026-07-05T04:49:33.418592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89f6796ec6048af7fb382185e1139448bee0c40da4f83061588d9ca3c110a7f4

Aliases

arxiv: 2208.01169 · arxiv_version: 2208.01169v2 · doi: 10.48550/arxiv.2208.01169 · pith_short_12: RH3HS3WGASFP · pith_short_16: RH3HS3WGASFPP6ZY · pith_short_8: RH3HS3WG

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/RH3HS3WGASFPP6ZYEGC6CE4UJC \
  | 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: 89f6796ec6048af7fb382185e1139448bee0c40da4f83061588d9ca3c110a7f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8522e5c6b5bdc04c4edc2259e4ffa8dd6be41e5e8b95df6276d74e4ea79e05e",
    "cross_cats_sorted": [
      "cs.NE",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2022-08-01T23:09:32Z",
    "title_canon_sha256": "c45572a6183f247adfb380842f55d2f20125992deb9d2374134e52a9928b34df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.01169",
    "kind": "arxiv",
    "version": 2
  }
}