Pith Number

pith:6GBK5GSI

pith:2025:6GBK5GSISA5A7FOZPQGH4Z3MKT

not attested not anchored not stored refs pending

Self-supervised structured object representation learning

Adel Hafiane, Antoine Letienne, Mohamed Abbas Hedjazi, Oussama Hadjerci

arxiv:2508.19864 v1 · 2025-08-27 · 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{6GBK5GSISA5A7FOZPQGH4Z3MKT}

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	2026-07-05T12:00:18.988022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f182ae9a48903a0f95d97c0c7e676c54c531e55ff1f87e6cf2e65a1b26fd088d

Aliases

arxiv: 2508.19864 · arxiv_version: 2508.19864v1 · doi: 10.48550/arxiv.2508.19864 · pith_short_12: 6GBK5GSISA5A · pith_short_16: 6GBK5GSISA5A7FOZ · pith_short_8: 6GBK5GSI

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/6GBK5GSISA5A7FOZPQGH4Z3MKT \
  | 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: f182ae9a48903a0f95d97c0c7e676c54c531e55ff1f87e6cf2e65a1b26fd088d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df4d180800752fb2eefb8bded5a615a491cf6c417447168adeac2934c0a25bd7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-27T13:28:05Z",
    "title_canon_sha256": "3e29870e148da7893aa5cdb9acef0b2dc18a5c4dd1078c8d5f56b68c992cc0d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.19864",
    "kind": "arxiv",
    "version": 1
  }
}