Pith Number

pith:664I4B5F

pith:2026:664I4B5FZATE2ZJYLZION3HJKF

not attested not anchored not stored refs pending

Bridging Functional and Representational Similarity via Usable Information

Alfonso Ortega, Antonio Almud\'evar

arxiv:2601.21568 v2 · 2026-01-29 · 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{664I4B5FZATE2ZJYLZION3HJKF}

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.

Cited by

1 paper in Pith

Decoding Alignment without Encoding Alignment: A critique of similarity analysis in neuroscience

Receipt and verification

First computed	2026-05-29T02:05:39.921427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7b88e07a5c8264d65385e50e6ece95155da4bc053cd4364f90b7beea3b0f941

Aliases

arxiv: 2601.21568 · arxiv_version: 2601.21568v2 · doi: 10.48550/arxiv.2601.21568 · pith_short_12: 664I4B5FZATE · pith_short_16: 664I4B5FZATE2ZJY · pith_short_8: 664I4B5F

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/664I4B5FZATE2ZJYLZION3HJKF \
  | 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: f7b88e07a5c8264d65385e50e6ece95155da4bc053cd4364f90b7beea3b0f941

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbbb91fc092ab980ea9b1885b7e00bfbbad24b3518b4745ad657eb7f99bcb771",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-01-29T11:30:55Z",
    "title_canon_sha256": "cf217d264bcc81675998db119782decb8fc59a4b4d9bc9cb78865953e14f1c3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.21568",
    "kind": "arxiv",
    "version": 2
  }
}