Pith Number

pith:Y2DPTWF3

pith:2025:Y2DPTWF3UGWWDX62772GBUHCXS

not attested not anchored not stored refs pending

Quantitative analysis of the value of investment in research facilities, with examples from cyberinfrastructure

Craig A. Stewart, David Y. Hancock, John Towns, Preston M. Smith, Winona G. Snapp-Childs

arxiv:2502.07833 v3 · 2025-02-11 · econ.GN · cs.CY · 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{Y2DPTWF3UGWWDX62772GBUHCXS}

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	2026-07-05T11:09:45.207559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c686f9d8bba1ad61dfdafff460d0e2bcba78cec6e1ac2a3e5e1529649b768339

Aliases

arxiv: 2502.07833 · arxiv_version: 2502.07833v3 · doi: 10.48550/arxiv.2502.07833 · pith_short_12: Y2DPTWF3UGWW · pith_short_16: Y2DPTWF3UGWWDX62 · pith_short_8: Y2DPTWF3

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/Y2DPTWF3UGWWDX62772GBUHCXS \
  | 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: c686f9d8bba1ad61dfdafff460d0e2bcba78cec6e1ac2a3e5e1529649b768339

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d48cea84c4a529c66a7ea9c800c9072752f097c8eeb0fc0f4ba2470d361af3b",
    "cross_cats_sorted": [
      "cs.CY",
      "q-fin.EC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.GN",
    "submitted_at": "2025-02-11T00:31:13Z",
    "title_canon_sha256": "8617ac09ec7b8ba0cc3c5d83ffa4c740d968ce273e57621ed449a7a6af11dfa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07833",
    "kind": "arxiv",
    "version": 3
  }
}