Pith Number

pith:M65FW727

pith:2020:M65FW727PK5K5O75DHIPVGZKZF

not attested not anchored not stored refs pending

TAL EmotioNet Challenge 2020 Rethinking the Model Chosen Problem in Multi-Task Learning

Pengcheng Wang, Songfan Yang, Xiao Liu, Zhilong Ji, Zhongqin Wu, Zihao Wang

arxiv:2004.09862 v1 · 2020-04-21 · 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{M65FW727PK5K5O75DHIPVGZKZF}

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	2026-07-05T00:56:54.906356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67ba5b7f5f7abaaebbfd19d0fa9b2ac94c63a8e9a702c8318fdf5591714de8ae

Aliases

arxiv: 2004.09862 · arxiv_version: 2004.09862v1 · doi: 10.48550/arxiv.2004.09862 · pith_short_12: M65FW727PK5K · pith_short_16: M65FW727PK5K5O75 · pith_short_8: M65FW727

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/M65FW727PK5K5O75DHIPVGZKZF \
  | 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: 67ba5b7f5f7abaaebbfd19d0fa9b2ac94c63a8e9a702c8318fdf5591714de8ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68e90eaac952c0a354e480ca844f9e52e8c625fb4cb28aa0fe38c8bc36df1103",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-04-21T09:39:38Z",
    "title_canon_sha256": "5238ca4d7a4ba572f4e352b62d0e009be30bc6602912220c4821714efd51fe56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09862",
    "kind": "arxiv",
    "version": 1
  }
}