Pith Number

pith:44T7J46T

pith:2020:44T7J46TXJQ2N2GDJIJHCQBILS

not attested not anchored not stored refs pending

SEIRD model to study the asymptomatic growth during COVID-19 pandemic in India

Apurba Sarkar, Mintu Karmakar, Raja Paul, Saptarshi Chatterjee, Swarnajit Chatterjee

arxiv:2006.03034 v2 · 2020-06-04 · q-bio.PE · 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{44T7J46TXJQ2N2GDJIJHCQBILS}

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	2026-07-05T01:53:37.744732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e727f4f3d3ba61a6e8c34a127140285c9c99b2a82a8933f71e06db1c84168649

Aliases

arxiv: 2006.03034 · arxiv_version: 2006.03034v2 · doi: 10.48550/arxiv.2006.03034 · pith_short_12: 44T7J46TXJQ2 · pith_short_16: 44T7J46TXJQ2N2GD · pith_short_8: 44T7J46T

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/44T7J46TXJQ2N2GDJIJHCQBILS \
  | 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: e727f4f3d3ba61a6e8c34a127140285c9c99b2a82a8933f71e06db1c84168649

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f4afe2df224e82cadc6afcd9f2d0972ba63d18e4e71f3922e6fe74395fb38c8",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2020-06-04T17:41:50Z",
    "title_canon_sha256": "2359ba9e2571814988cedc62b9e2fe4d1ecb4121fcc15a36fc27b97e4036b015"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.03034",
    "kind": "arxiv",
    "version": 2
  }
}