Pith Number

pith:ELF6DKER

pith:2026:ELF6DKERRRTLUZBNINQXKHQTU5

not attested not anchored not stored refs pending

Removable Defects: The Economics and Limits of Deliberate Deficiency

Cheng Qian

arxiv:2607.11983 v1 · 2026-07-13 · econ.EM · cs.AI · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ELF6DKERRRTLUZBNINQXKHQTU5}

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	2026-07-15T00:21:25.921867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22cbe1a8918c66ba642d4361751e13a74799f2862ade8351ee565bde03dd2bbc

Aliases

arxiv: 2607.11983 · arxiv_version: 2607.11983v1 · doi: 10.48550/arxiv.2607.11983 · pith_short_12: ELF6DKERRRTL · pith_short_16: ELF6DKERRRTLUZBN · pith_short_8: ELF6DKER

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/ELF6DKERRRTLUZBNINQXKHQTU5 \
  | 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: 22cbe1a8918c66ba642d4361751e13a74799f2862ade8351ee565bde03dd2bbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3be268f5c0bee3771db459b605813ffc88362d59bb4d0f36c64dc7b1c0a2b49",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2026-07-13T13:04:15Z",
    "title_canon_sha256": "25f376dfb9a2812c11d3ded1ee41bdae50b9cd7260c3115795559a5cef985ac1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.11983",
    "kind": "arxiv",
    "version": 1
  }
}