Pith Number

pith:JF7AQB5U

pith:2020:JF7AQB5U7W6SX3727YULHVXTTM

not attested not anchored not stored refs pending

Analysis, Modeling, and Representation of COVID-19 Spread: A Case Study on India

Hari Prabhat Gupta, Rahul Mishra, Tanima Dutta

arxiv:2008.13116 v1 · 2020-08-30 · cs.SI · physics.soc-ph · 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{JF7AQB5U7W6SX3727YULHVXTTM}

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	2026-07-05T01:31:34.467758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

497e0807b4fdbd2beffafe28b3d6f39b1b521ed4c0e30d1c90dcad50715e3b64

Aliases

arxiv: 2008.13116 · arxiv_version: 2008.13116v1 · doi: 10.48550/arxiv.2008.13116 · pith_short_12: JF7AQB5U7W6S · pith_short_16: JF7AQB5U7W6SX372 · pith_short_8: JF7AQB5U

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/JF7AQB5U7W6SX3727YULHVXTTM \
  | 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: 497e0807b4fdbd2beffafe28b3d6f39b1b521ed4c0e30d1c90dcad50715e3b64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c022047064c0be12474c7593e7cd1ec2fd473f365c6e693042d555f36eef42ed",
    "cross_cats_sorted": [
      "physics.soc-ph",
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2020-08-30T08:13:51Z",
    "title_canon_sha256": "a3c9f02ddc240fc1c51b8e7b3b6221ed5379b49043f92b844f30918e1c81637c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.13116",
    "kind": "arxiv",
    "version": 1
  }
}