Pith Number

pith:E35HO34R

pith:2018:E35HO34R72DY73SVT2G2OKQ532

not attested not anchored not stored refs pending

Watermark Retrieval from 3D Printed Objects via Convolutional Neural Networks

Ioannis Ivrissimtzis, Qian Wang, Toby Breckon, Xin Zhang

arxiv:1811.07640 v1 · 2018-11-19 · 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{E35HO34R72DY73SVT2G2OKQ532}

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	2026-05-18T00:00:23.895382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26fa776f91fe878fee559e8da72a1ddea5f4eb7ff0ab246d3b5bd30b24832db6

Aliases

arxiv: 1811.07640 · arxiv_version: 1811.07640v1 · doi: 10.48550/arxiv.1811.07640 · pith_short_12: E35HO34R72DY · pith_short_16: E35HO34R72DY73SV · pith_short_8: E35HO34R

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/E35HO34R72DY73SVT2G2OKQ532 \
  | 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: 26fa776f91fe878fee559e8da72a1ddea5f4eb7ff0ab246d3b5bd30b24832db6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4418875ed6d0fd72f503198527f386ad69338d681483186912f3638ca995fd90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-19T12:20:52Z",
    "title_canon_sha256": "c68bbd1a31c4ab8409d060fadaad421ea7616ec8aabcc0ed68f48c349be8045e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07640",
    "kind": "arxiv",
    "version": 1
  }
}