Pith Number

pith:PEHPRABM

pith:2021:PEHPRABMKANQZVUXLLFECXTLGR

not attested not anchored not stored refs pending

Co-Teaching: An Ark to Unsupervised Stereo Matching

Hengli Wang, Ming Liu, Rui Fan

arxiv:2107.08186 v1 · 2021-07-17 · cs.CV · cs.RO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PEHPRABMKANQZVUXLLFECXTLGR}

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	2026-07-05T02:58:46.374279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

790ef8802c501b0cd6975aca415e6b347b8f383ea6059e8ac1cb94bb9b093bd5

Aliases

arxiv: 2107.08186 · arxiv_version: 2107.08186v1 · doi: 10.48550/arxiv.2107.08186 · pith_short_12: PEHPRABMKANQ · pith_short_16: PEHPRABMKANQZVUX · pith_short_8: PEHPRABM

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/PEHPRABMKANQZVUXLLFECXTLGR \
  | 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: 790ef8802c501b0cd6975aca415e6b347b8f383ea6059e8ac1cb94bb9b093bd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96acf4141812ed47e8fc9ad8f6778f36e4972b6ec75bab9834d251d969898711",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-07-17T05:33:39Z",
    "title_canon_sha256": "bb807299da7fd216bf95a62fdc2c88d126d15285893c1c974a58aef3471c43d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.08186",
    "kind": "arxiv",
    "version": 1
  }
}