Pith Number

pith:JPHFRPTO

pith:2019:JPHFRPTO2DLH4DOO5GJYWD6CY6

not attested not anchored not stored refs pending

AM-LFS: AutoML for Loss Function Search

Chen Lin, Chuming Li, Junjie Yan, Minghao Guo, Wanli Ouyang, Wei Wu, Yuan Xin

arxiv:1905.07375 v2 · 2019-05-17 · 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{JPHFRPTO2DLH4DOO5GJYWD6CY6}

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	2026-07-04T23:55:55.822242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bce58be6ed0d67e0dcee9938b0fc2c7847abd9aff2074998d061a0d653d6ebf

Aliases

arxiv: 1905.07375 · arxiv_version: 1905.07375v2 · doi: 10.48550/arxiv.1905.07375 · pith_short_12: JPHFRPTO2DLH · pith_short_16: JPHFRPTO2DLH4DOO · pith_short_8: JPHFRPTO

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/JPHFRPTO2DLH4DOO5GJYWD6CY6 \
  | 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: 4bce58be6ed0d67e0dcee9938b0fc2c7847abd9aff2074998d061a0d653d6ebf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edf6fea6d56852278ad8aab9f04e633835f8f8ed73024bb0f7b00708d7866131",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-17T17:06:49Z",
    "title_canon_sha256": "0d95ecdb58d31c21453420e7486703927dc073df70af223518f79f0f9de293a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07375",
    "kind": "arxiv",
    "version": 2
  }
}