Pith Number

pith:TKVXGTQY

pith:2021:TKVXGTQYKGQSLW2GWEI4P56JNA

not attested not anchored not stored refs pending

Scribble-Supervised Semantic Segmentation by Uncertainty Reduction on Neural Representation and Self-Supervision on Neural Eigenspace

Anthony G. Cohn, Changhe Tu, Peng Jiang, Yunhai Wang, Zhiyi Pan

arxiv:2102.09896 v1 · 2021-02-19 · 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{TKVXGTQYKGQSLW2GWEI4P56JNA}

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	2026-07-05T02:16:32.064478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9aab734e1851a125db46b111c7f7c9683f8d361870ca525fcea3a7fadfb82b8b

Aliases

arxiv: 2102.09896 · arxiv_version: 2102.09896v1 · doi: 10.48550/arxiv.2102.09896 · pith_short_12: TKVXGTQYKGQS · pith_short_16: TKVXGTQYKGQSLW2G · pith_short_8: TKVXGTQY

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/TKVXGTQYKGQSLW2GWEI4P56JNA \
  | 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: 9aab734e1851a125db46b111c7f7c9683f8d361870ca525fcea3a7fadfb82b8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1789078f90d6b0a3a79be7fd263749d964fe7b53d448f9c3a27764a5892bf82e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-02-19T12:33:57Z",
    "title_canon_sha256": "52ba0a2b2bbec638651356dbcd14f54dcbb6edf02c071e7238d7bc82e48b19b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09896",
    "kind": "arxiv",
    "version": 1
  }
}