Pith Number

pith:R4WZYLJ4

pith:2022:R4WZYLJ4N3UEYF4WGWM33FBHDP

not attested not anchored not stored refs pending

A Dense Material Segmentation Dataset for Indoor and Outdoor Scene Parsing

Paul Upchurch, Ransen Niu

arxiv:2207.10614 v1 · 2022-07-21 · 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{R4WZYLJ4N3UEYF4WGWM33FBHDP}

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	2026-07-05T04:42:27.254414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f2d9c2d3c6ee84c17963599bd94271bf71bf96ca8762f62e94f08e778b5c22d

Aliases

arxiv: 2207.10614 · arxiv_version: 2207.10614v1 · doi: 10.48550/arxiv.2207.10614 · pith_short_12: R4WZYLJ4N3UE · pith_short_16: R4WZYLJ4N3UEYF4W · pith_short_8: R4WZYLJ4

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/R4WZYLJ4N3UEYF4WGWM33FBHDP \
  | 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: 8f2d9c2d3c6ee84c17963599bd94271bf71bf96ca8762f62e94f08e778b5c22d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93cfd915b7b08998ce31c24e124828c82e2810063e2b3d8bfcaeed95d502edb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-07-21T17:15:41Z",
    "title_canon_sha256": "77169b067a396552e31e21c80d0898d9565e1b8008ef7f71fef0db2bacba2d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.10614",
    "kind": "arxiv",
    "version": 1
  }
}