Pith Number

pith:2V75BJSZ

pith:2026:2V75BJSZBWNSM4HWZRKCTYIKYK

not attested not anchored not stored refs pending

When Proxy Prediction Becomes Equation Reconstruction: Diagnostics and Residual Learning for Factor-Derived Proxy Supervision

Ahmed Shafee, Chayan Lahiri, Cody Fehringer

arxiv:2608.04393 v1 · 2026-08-05 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2V75BJSZBWNSM4HWZRKCTYIKYK}

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	2026-08-06T01:34:47.377104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d57fd0a6590d9b2670f6cc5429e10ac2ac1f18d53594f531c12e9daf728d5fea

Aliases

arxiv: 2608.04393 · arxiv_version: 2608.04393v1 · doi: 10.48550/arxiv.2608.04393 · pith_short_12: 2V75BJSZBWNS · pith_short_16: 2V75BJSZBWNSM4HW · pith_short_8: 2V75BJSZ

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/2V75BJSZBWNSM4HWZRKCTYIKYK \
  | 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: d57fd0a6590d9b2670f6cc5429e10ac2ac1f18d53594f531c12e9daf728d5fea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f01496a9f62b874784357cecc5d50111a66febb1c598ec0200af5718f861339",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-08-05T02:54:34Z",
    "title_canon_sha256": "3fe98ec44d07772dbbd3c1dc16b4e2c9f91a4140abe96ac4ac2ae8cc8b5d3f91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.04393",
    "kind": "arxiv",
    "version": 1
  }
}