Pith Number

pith:QU2LP6KV

pith:2021:QU2LP6KVLS5IUMFND3AJLAMTPR

not attested not anchored not stored refs pending

Learning a self-supervised tone mapping operator via feature contrast masking loss

Ana Serrano, Bin Chen, Chao Wang, Hans-Peter Seidel, Karol Myszkowski

arxiv:2110.09866 v1 · 2021-10-19 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QU2LP6KVLS5IUMFND3AJLAMTPR}

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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	2026-07-05T03:24:00.252832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8534b7f9555cba8a30ad1ec09581937c6b81440b4ccbbdd62017f61fe4d341d6

Aliases

arxiv: 2110.09866 · arxiv_version: 2110.09866v1 · doi: 10.48550/arxiv.2110.09866 · pith_short_12: QU2LP6KVLS5I · pith_short_16: QU2LP6KVLS5IUMFN · pith_short_8: QU2LP6KV

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/QU2LP6KVLS5IUMFND3AJLAMTPR \
  | 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: 8534b7f9555cba8a30ad1ec09581937c6b81440b4ccbbdd62017f61fe4d341d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c1cd2719f6e7085d0bb0fc0331f85d0a4f8cbdbad8735a0cff6b5873e98818f",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-10-19T11:42:19Z",
    "title_canon_sha256": "70f8db90f637127c1746a2431d4d32f5c51185982b7da40e03125bac1e14b934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.09866",
    "kind": "arxiv",
    "version": 1
  }
}