Pith Number

pith:4ALBNUHZ

pith:2026:4ALBNUHZUYSRZVKPR6MQF7EAS3

not attested not anchored not stored refs pending

Beyond Backbone Backpropagation: A Decoupled Strategy for Efficient Transfer Learning

Daniel Vila-Cruz, Laura Mor\'an-Fern\'andez, Ver\'onica Bol\'on-Canedo

arxiv:2607.13043 v1 · 2026-06-13 · cs.LG · cs.AI · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ALBNUHZUYSRZVKPR6MQF7EAS3}

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	2026-07-16T00:21:53.316816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e01616d0f9a6251cd54f8f9902fc8096fb535567e5782f7a4d68c2916e036a55

Aliases

arxiv: 2607.13043 · arxiv_version: 2607.13043v1 · doi: 10.48550/arxiv.2607.13043 · pith_short_12: 4ALBNUHZUYSR · pith_short_16: 4ALBNUHZUYSRZVKP · pith_short_8: 4ALBNUHZ

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/4ALBNUHZUYSRZVKPR6MQF7EAS3 \
  | 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: e01616d0f9a6251cd54f8f9902fc8096fb535567e5782f7a4d68c2916e036a55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "554c2749803c57b89bbd88dbf238c570b90ee439fb89613a492222a1683c6efb",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-13T13:46:24Z",
    "title_canon_sha256": "61060f9912c66037e17fc1b220de5990dbb2c08d2dfaabf647361039fdc92e30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13043",
    "kind": "arxiv",
    "version": 1
  }
}