Pith Number

pith:CAIULV7A

pith:2026:CAIULV7ANORIG2PWIYIMETM65U

not attested not anchored not stored refs pending

Every Sample Counts: Supervised Fine-Tuning of Language Models with Pointwise Constraints

Alejandro Ribeiro, Ignacio Boero, Ignacio Hounie

arxiv:2607.08968 v1 · 2026-07-09 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CAIULV7ANORIG2PWIYIMETM65U}

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	2026-07-13T00:17:30.792921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

101145d7e06ba28369f64610c24d9eed013f65d843bc07da46e3d31ee5d00ad2

Aliases

arxiv: 2607.08968 · arxiv_version: 2607.08968v1 · doi: 10.48550/arxiv.2607.08968 · pith_short_12: CAIULV7ANORI · pith_short_16: CAIULV7ANORIG2PW · pith_short_8: CAIULV7A

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/CAIULV7ANORIG2PWIYIMETM65U \
  | 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: 101145d7e06ba28369f64610c24d9eed013f65d843bc07da46e3d31ee5d00ad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4977c665d73e21919510282b84465cbf2675187df96b00f950348ee495da3706",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-07-09T22:09:16Z",
    "title_canon_sha256": "ea1cf821063d8e1bfc3de174dbf9b32d3d0c9e77c7e1db51ed21497e39b4232c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08968",
    "kind": "arxiv",
    "version": 1
  }
}