Pith Number

pith:TTXKD4SC

pith:2026:TTXKD4SCQ63CW7YH66I67ZI6SE

not attested not anchored not stored refs pending

From Recovery to Drop-off: How Action Post-training Reduces a VLM's Late-Layer Depth Decodability

Alexander Hackett, Arnaud Denis-Remillard, Axel Cassou

arxiv:2608.08904 v1 · 2026-08-09 · cs.CV · cs.AI · 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{TTXKD4SCQ63CW7YH66I67ZI6SE}

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	2026-08-11T01:25:41.043709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ceea1f24287b62b7f07f791efe51e9121f938e44e40b1817e9b1a71ac8f3bd7

Aliases

arxiv: 2608.08904 · arxiv_version: 2608.08904v1 · doi: 10.48550/arxiv.2608.08904 · pith_short_12: TTXKD4SCQ63C · pith_short_16: TTXKD4SCQ63CW7YH · pith_short_8: TTXKD4SC

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/TTXKD4SCQ63CW7YH66I67ZI6SE \
  | 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: 9ceea1f24287b62b7f07f791efe51e9121f938e44e40b1817e9b1a71ac8f3bd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca587bef27a7f0524aa6388b0f6957b6d213ba13c9f7b94918736f8913631419",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-08-09T20:31:52Z",
    "title_canon_sha256": "98a805868e1053d4e3e18b5141d8571eb6ed492b56f42ced04dc8d96fe8749c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.08904",
    "kind": "arxiv",
    "version": 1
  }
}