Pith Number

pith:LEVL5IXA

pith:2021:LEVL5IXA446SA4GUAWOZQWNMLL

not attested not anchored not stored refs pending

Model-based Reconstruction with Learning: From Unsupervised to Supervised and Beyond

Michael T. McCann, Saiprasad Ravishankar, Siqi Ye, Zhishen Huang

arxiv:2103.14528 v1 · 2021-03-26 · cs.LG · 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{LEVL5IXA446SA4GUAWOZQWNMLL}

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	2026-07-05T02:26:41.954661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

592abea2e0e73d2070d4059d9859ac5af3e14f3f698793265627f68fa4d49e76

Aliases

arxiv: 2103.14528 · arxiv_version: 2103.14528v1 · doi: 10.48550/arxiv.2103.14528 · pith_short_12: LEVL5IXA446S · pith_short_16: LEVL5IXA446SA4GU · pith_short_8: LEVL5IXA

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/LEVL5IXA446SA4GUAWOZQWNMLL \
  | 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: 592abea2e0e73d2070d4059d9859ac5af3e14f3f698793265627f68fa4d49e76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc04ba2756a959f262d2443b3715ac6d1439f207895702b4b2a9fc9f07495253",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-03-26T15:33:59Z",
    "title_canon_sha256": "dc063fe7e8075468e0aac3b507f346c76c8e1e16e2a174732fbc1b7ba05e2498"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.14528",
    "kind": "arxiv",
    "version": 1
  }
}