Pith Number

pith:57GCBNON

pith:2026:57GCBNONSITZCF7DBQ77DVPW73

not attested not anchored not stored refs pending

FISHER: Gradient-Decoupled Hierarchical Multi-Task Learning for Fine-Grained Aquatic Species Recognition

Ba Hung Ngo, Cuong D. Do, Mai Phuong Tran, Phuc H. Nguyen, Van-Dinh Nguyen

arxiv:2607.20523 v1 · 2026-07-09 · q-bio.QM · 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{57GCBNONSITZCF7DBQ77DVPW73}

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	2026-07-24T00:23:20.325634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efcc20b5cd92279117e30c3ff1d5f6fefad5d1652dfc7b3b48f226be77076e37

Aliases

arxiv: 2607.20523 · arxiv_version: 2607.20523v1 · doi: 10.48550/arxiv.2607.20523 · pith_short_12: 57GCBNONSITZ · pith_short_16: 57GCBNONSITZCF7D · pith_short_8: 57GCBNON

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/57GCBNONSITZCF7DBQ77DVPW73 \
  | 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: efcc20b5cd92279117e30c3ff1d5f6fefad5d1652dfc7b3b48f226be77076e37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ce0f7196a276182b61b21e7281a823c253ed9c340bd77d47392a62d2e7cff28",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2026-07-09T06:30:11Z",
    "title_canon_sha256": "3452f750bd045611876cb3a22031ff0f4e131f7fa9c6ee03fb0d9f02d9270d79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20523",
    "kind": "arxiv",
    "version": 1
  }
}