Pith Number

pith:P4X34JTN

pith:2025:P4X34JTNCPGACK2TLHB3ZB57QI

not attested not anchored not stored refs pending

Convex Cost of Information via Statistical Divergence

Davide Bordoli, Ryota Iijima

arxiv:2509.00229 v1 · 2025-08-29 · econ.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4X34JTNCPGACK2TLHB3ZB57QI}

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	2026-07-05T12:02:11.796069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f2fbe266d13cc012b5359c3bc87bf823269a1a944913bc8b1c918945c3c8d99

Aliases

arxiv: 2509.00229 · arxiv_version: 2509.00229v1 · doi: 10.48550/arxiv.2509.00229 · pith_short_12: P4X34JTNCPGA · pith_short_16: P4X34JTNCPGACK2T · pith_short_8: P4X34JTN

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/P4X34JTNCPGACK2TLHB3ZB57QI \
  | 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: 7f2fbe266d13cc012b5359c3bc87bf823269a1a944913bc8b1c918945c3c8d99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ed259ef6492457cd850bba39cb30964bc9219fd0a120ef5991ccfc2bd0982af",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "econ.TH",
    "submitted_at": "2025-08-29T20:36:51Z",
    "title_canon_sha256": "151e18623e7c6987ac2bd147bf973a436cb9a8110180228acd26332639c558f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.00229",
    "kind": "arxiv",
    "version": 1
  }
}