Pith Number

pith:SCE5YRSD

pith:2021:SCE5YRSDMMIGLUIQ4UITPXSEBK

not attested not anchored not stored refs pending

The Impact of the COVID-19 Pandemic on Scientific Research in the Life Sciences

Luca Verginer, Massimo Riccaboni

arxiv:2102.00497 v1 · 2021-01-31 · econ.GN · q-fin.EC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SCE5YRSDMMIGLUIQ4UITPXSEBK}

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	2026-07-05T03:56:28.262450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9089dc4643631065d110e51137de440ab43fc7558fc7e0f3448f2811478f5da1

Aliases

arxiv: 2102.00497 · arxiv_version: 2102.00497v1 · doi: 10.48550/arxiv.2102.00497 · pith_short_12: SCE5YRSDMMIG · pith_short_16: SCE5YRSDMMIGLUIQ · pith_short_8: SCE5YRSD

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/SCE5YRSDMMIGLUIQ4UITPXSEBK \
  | 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: 9089dc4643631065d110e51137de440ab43fc7558fc7e0f3448f2811478f5da1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee035282ec948dfef1d3f0869a18f8774ea1ee14dcf6cf7ba4885a0afb8394f8",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2021-01-31T17:32:32Z",
    "title_canon_sha256": "00e46a07af144920f5c6cc43e6dfc7ed9c8121ccb60529bb93a2d5b31d3f2cbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.00497",
    "kind": "arxiv",
    "version": 1
  }
}