Pith Number

pith:AWZRX63B

pith:2021:AWZRX63BKLCPJE7DXP2GEMRB2V

not attested not anchored not stored refs pending

MetricOpt: Learning to Optimize Black-Box Evaluation Metrics

Chen Huang, Josh Susskind, Pengsheng Guo, Shuangfei Zhai

arxiv:2104.10631 v1 · 2021-04-21 · cs.LG · 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{AWZRX63BKLCPJE7DXP2GEMRB2V}

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	2026-07-05T02:34:04.233019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05b31bfb6152c4f493e3bbf4623221d55731290bfad30a7aa354a726772c384b

Aliases

arxiv: 2104.10631 · arxiv_version: 2104.10631v1 · doi: 10.48550/arxiv.2104.10631 · pith_short_12: AWZRX63BKLCP · pith_short_16: AWZRX63BKLCPJE7D · pith_short_8: AWZRX63B

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/AWZRX63BKLCPJE7DXP2GEMRB2V \
  | 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: 05b31bfb6152c4f493e3bbf4623221d55731290bfad30a7aa354a726772c384b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "517332543178d094336971de9f42038142b980c12d320ace77d10125ad6c8b70",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-04-21T16:50:01Z",
    "title_canon_sha256": "7fc4ef12e907b1df3d66a68aab347ebc17330985d963b2ffbfd9210fd2533015"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.10631",
    "kind": "arxiv",
    "version": 1
  }
}