Pith Number

pith:6KL44LKB

pith:2021:6KL44LKBWN3X3L6LMXJJBQISPW

not attested not anchored not stored refs pending

Semi-Supervised Semantic Segmentation with Pixel-Level Contrastive Learning from a Class-wise Memory Bank

Alberto Sabater, Ana C. Murillo, David Ferstl, Inigo Alonso, Luis Montesano

arxiv:2104.13415 v3 · 2021-04-27 · 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{6KL44LKBWN3X3L6LMXJJBQISPW}

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	2026-07-05T03:03:40.381082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f297ce2d41b3777dafcb65d290c1127dbe4f336d615841d24c4b7b2ff4066cfd

Aliases

arxiv: 2104.13415 · arxiv_version: 2104.13415v3 · doi: 10.48550/arxiv.2104.13415 · pith_short_12: 6KL44LKBWN3X · pith_short_16: 6KL44LKBWN3X3L6L · pith_short_8: 6KL44LKB

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/6KL44LKBWN3X3L6LMXJJBQISPW \
  | 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: f297ce2d41b3777dafcb65d290c1127dbe4f336d615841d24c4b7b2ff4066cfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cffa7cc1c3e362cf288b9742e6d9d67b652a79b367bc2624abc46a0f7d1b02d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-27T18:19:33Z",
    "title_canon_sha256": "ccc492a6c54dc354c7dd815a083a1473225bb04e427b0634105ab6c7303ab3ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13415",
    "kind": "arxiv",
    "version": 3
  }
}