Pith Number

pith:V4OM5HD5

pith:2019:V4OM5HD5NPLEDWSSPKITVGXB2V

not attested not anchored not stored refs pending

Training Image Estimators without Image Ground-Truth

Ayan Chakrabarti, Zhihao Xia

arxiv:1906.05775 v2 · 2019-06-13 · 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{V4OM5HD5NPLEDWSSPKITVGXB2V}

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	2026-07-05T00:15:23.461436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af1cce9c7d6bd641da527a913a9ae1d5436e700b5216f48970aff98351bb369d

Aliases

arxiv: 1906.05775 · arxiv_version: 1906.05775v2 · doi: 10.48550/arxiv.1906.05775 · pith_short_12: V4OM5HD5NPLE · pith_short_16: V4OM5HD5NPLEDWSS · pith_short_8: V4OM5HD5

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/V4OM5HD5NPLEDWSSPKITVGXB2V \
  | 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: af1cce9c7d6bd641da527a913a9ae1d5436e700b5216f48970aff98351bb369d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec697d144c972eca91d61d6e69c4cf9e131549d7a2bd85c75e994b15815ae745",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-13T16:04:03Z",
    "title_canon_sha256": "556487c7dd6bb35e70657c01e7960d8a585a65a7b88bd548f3ec01e95eb0aadf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05775",
    "kind": "arxiv",
    "version": 2
  }
}