Pith Number

pith:OTVDWBIL

pith:2025:OTVDWBIL32YG7NM2VUSR3DIS5H

not attested not anchored not stored refs pending

Meta-emulation: An application to the social cost of carbon

Richard S.J. Tol

arxiv:2507.01804 v1 · 2025-07-02 · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OTVDWBIL32YG7NM2VUSR3DIS5H}

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	2026-07-05T11:30:55.448484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74ea3b050bdeb06fb59aad251d8d12e9de2d146508860f821f6df80f2c9da2ba

Aliases

arxiv: 2507.01804 · arxiv_version: 2507.01804v1 · doi: 10.48550/arxiv.2507.01804 · pith_short_12: OTVDWBIL32YG · pith_short_16: OTVDWBIL32YG7NM2 · pith_short_8: OTVDWBIL

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/OTVDWBIL32YG7NM2VUSR3DIS5H \
  | 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: 74ea3b050bdeb06fb59aad251d8d12e9de2d146508860f821f6df80f2c9da2ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a8ffa26ef20165ff37193f47f138bf06319f93564bf4ec3446b385423ab615e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2025-07-02T15:23:54Z",
    "title_canon_sha256": "7644cec26815c926a667c487e80d372d6824909f50ef3930bb2b5f431f4026c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01804",
    "kind": "arxiv",
    "version": 1
  }
}