Pith Number

pith:SF2BFU7H

pith:2022:SF2BFU7HSDPXC5A2W4PDUYLPMW

not attested not anchored not stored refs pending

Data Science vs Putin: How much does each of us pay for Putin's war?

Fabian Braesemann, Max Schuler

arxiv:2203.02756 v1 · 2022-03-05 · 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{SF2BFU7HSDPXC5A2W4PDUYLPMW}

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	2026-07-05T04:02:27.103875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

917412d3e790df71741ab71e3a616f65bc5f51ce546b6a3d20470a01372626df

Aliases

arxiv: 2203.02756 · arxiv_version: 2203.02756v1 · doi: 10.48550/arxiv.2203.02756 · pith_short_12: SF2BFU7HSDPX · pith_short_16: SF2BFU7HSDPXC5A2 · pith_short_8: SF2BFU7H

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/SF2BFU7HSDPXC5A2W4PDUYLPMW \
  | 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: 917412d3e790df71741ab71e3a616f65bc5f51ce546b6a3d20470a01372626df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20b25425e9f26827aa6113d0d0ba2c68eadd19958c9e4d7cac6d82701542014b",
    "cross_cats_sorted": [
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2022-03-05T14:19:59Z",
    "title_canon_sha256": "5fd56da988476453155a6a61608ec7e3f7bcc5df937295e45236bd2c39933155"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.02756",
    "kind": "arxiv",
    "version": 1
  }
}