Pith Number

pith:PZ6GHXS3

pith:2021:PZ6GHXS3Y5VB5U5CT5MKMPYHO5

not attested not anchored not stored refs pending

Self-supervision of Feature Transformation for Further Improving Supervised Learning

Ming Liu, Xiaomin Wang, Xuan Cheng, Yuhang Yang, Zilin Ding

arxiv:2106.04922 v1 · 2021-06-09 · 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{PZ6GHXS3Y5VB5U5CT5MKMPYHO5}

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	2026-07-05T02:47:50.768319Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e7c63de5bc76a1ed3a29f58a63f0777502958ed307ca89992c1657b09adab3e

Aliases

arxiv: 2106.04922 · arxiv_version: 2106.04922v1 · doi: 10.48550/arxiv.2106.04922 · pith_short_12: PZ6GHXS3Y5VB · pith_short_16: PZ6GHXS3Y5VB5U5C · pith_short_8: PZ6GHXS3

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/PZ6GHXS3Y5VB5U5CT5MKMPYHO5 \
  | 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: 7e7c63de5bc76a1ed3a29f58a63f0777502958ed307ca89992c1657b09adab3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8c41436e97a0d8b035fe767fb15d2dc27e045986358d6f62d37f962c226d901",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-09T09:06:33Z",
    "title_canon_sha256": "8e6ab4ecd7e1043819e2f4143859b2153cb5719918fbe42ed996b788574cdb23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.04922",
    "kind": "arxiv",
    "version": 1
  }
}