Pith Number

pith:BXSCCXF4

pith:2021:BXSCCXF4PKMHUJN5NS2QHOFJZG

not attested not anchored not stored refs pending

Analysis of the tradeoff between health and economic impacts of the Covid-19 epidemic

Chao Zhang, Irinel Constantin Morarescu, Samson Lasaulce, Vineeth Varma

arxiv:2104.06169 v1 · 2021-04-12 · econ.GN · physics.soc-ph · q-fin.EC · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BXSCCXF4PKMHUJN5NS2QHOFJZG}

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	2026-07-05T02:31:29.615856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0de4215cbc7a987a25bd6cb503b8a9c98107c4cf8ed78020ca3a84d04db16a1e

Aliases

arxiv: 2104.06169 · arxiv_version: 2104.06169v1 · doi: 10.48550/arxiv.2104.06169 · pith_short_12: BXSCCXF4PKMH · pith_short_16: BXSCCXF4PKMHUJN5 · pith_short_8: BXSCCXF4

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/BXSCCXF4PKMHUJN5NS2QHOFJZG \
  | 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: 0de4215cbc7a987a25bd6cb503b8a9c98107c4cf8ed78020ca3a84d04db16a1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f26e45a13863dbc42a7b8bc1bc5580946a746b86ee7b941da48d75f36fc0ccaf",
    "cross_cats_sorted": [
      "physics.soc-ph",
      "q-fin.EC",
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2021-04-12T12:46:04Z",
    "title_canon_sha256": "a396b94d344edf5e1ddc869d681f6bcb27bdc2673dbffd5d5e269df61faf39a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.06169",
    "kind": "arxiv",
    "version": 1
  }
}