Pith Number

pith:JYDHFP6C

pith:2021:JYDHFP6C2SX4F6EYWBCPVSTD3H

not attested not anchored not stored refs pending

Empirical Quantitative Analysis of COVID-19 Forecasting Models

Haotian Xia, Junfeng Liu, Linda Petzold, Qinghang Hong, Yun Zhao, Yuqing Wang, Zhenni Xu, Zhiyang Zhou

arxiv:2110.00174 v1 · 2021-10-01 · cs.LG · 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{JYDHFP6C2SX4F6EYWBCPVSTD3H}

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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	2026-07-05T03:19:26.623576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e0672bfc2d4afc2f898b044faca63d9f98ca083b71c3ee4de5424f71426e631

Aliases

arxiv: 2110.00174 · arxiv_version: 2110.00174v1 · doi: 10.48550/arxiv.2110.00174 · pith_short_12: JYDHFP6C2SX4 · pith_short_16: JYDHFP6C2SX4F6EY · pith_short_8: JYDHFP6C

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/JYDHFP6C2SX4F6EYWBCPVSTD3H \
  | 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: 4e0672bfc2d4afc2f898b044faca63d9f98ca083b71c3ee4de5424f71426e631

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b8a6386f425d9313ec4f55ce60aa74429d293945018a69b538541479692ea54",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-10-01T02:31:56Z",
    "title_canon_sha256": "100cfb037439103930aa59b1de2d88671f0c73694576855c33a619c0a1b84ec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.00174",
    "kind": "arxiv",
    "version": 1
  }
}