Pith Number

pith:KK7CV2AB

pith:2019:KK7CV2ABT6O65UMZKWWKVVV266

not attested not anchored not stored refs pending

Deep Iterative Surface Normal Estimation

Christian Osendorfer, Jan Eric Lenssen, Jonathan Masci

arxiv:1904.07172 v3 · 2019-04-15 · cs.CV · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KK7CV2ABT6O65UMZKWWKVVV266}

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	2026-07-05T01:12:19.010086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52be2ae8019f9deed19955acaad6baf7b6fc675dc67886e2e97a698c4c1e16a7

Aliases

arxiv: 1904.07172 · arxiv_version: 1904.07172v3 · doi: 10.48550/arxiv.1904.07172 · pith_short_12: KK7CV2ABT6O6 · pith_short_16: KK7CV2ABT6O65UMZ · pith_short_8: KK7CV2AB

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/KK7CV2ABT6O65UMZKWWKVVV266 \
  | 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: 52be2ae8019f9deed19955acaad6baf7b6fc675dc67886e2e97a698c4c1e16a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08e724fe3e54af46f5149b7ef39a18c7cd984263a4a44c20465b178118059462",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-15T16:40:38Z",
    "title_canon_sha256": "b3f65972736f26571ec09f64809e7efd72b96d3f64c9a1c78527514d969c72c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07172",
    "kind": "arxiv",
    "version": 3
  }
}