Pith Number

pith:43ZP3HRF

pith:2026:43ZP3HRFIUKLL5QWFKQCDBMAIP

not attested not anchored not stored refs pending

Art Beyond Semantics: Sheaf-Informed Contrastive Learning for Multi-Relational Representations

Antonio Purificato, Fabrizio Silvestri, Ludovica Schaerf, Noa Garcia, Piera Riccio

arxiv:2607.16321 v1 · 2026-07-15 · cs.CV · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{43ZP3HRFIUKLL5QWFKQCDBMAIP}

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	2026-07-21T00:20:12.176126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6f2fd9e254514b5f6162aa021858043c05c9151796b69b51625051c813e078a

Aliases

arxiv: 2607.16321 · arxiv_version: 2607.16321v1 · doi: 10.48550/arxiv.2607.16321 · pith_short_12: 43ZP3HRFIUKL · pith_short_16: 43ZP3HRFIUKLL5QW · pith_short_8: 43ZP3HRF

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/43ZP3HRFIUKLL5QWFKQCDBMAIP \
  | 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: e6f2fd9e254514b5f6162aa021858043c05c9151796b69b51625051c813e078a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d50ff01436fc08a00e4d36dbbe74d91fdfade08e56fdfeb7afeeefe6626d37a",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-15T09:28:48Z",
    "title_canon_sha256": "f6666880f0f33646485c3347062443dfeb5eaaf87cea78eb3a28b5a5abe17617"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16321",
    "kind": "arxiv",
    "version": 1
  }
}