Pith Number

pith:MMDA5TPR

pith:2020:MMDA5TPR5YKDPNXON7GJLID6MN

not attested not anchored not stored refs pending

NPRportrait 1.0: A Three-Level Benchmark for Non-Photorealistic Rendering of Portraits

Amir Semmo, Ariel Shamir, Chuan Li, David Mould, Holger Winnemoller, Itamar Berger, Lars Doyle, Minjung Son, Paul L. Rosin, Ran Yi, Seungyong Lee, Yong-jin Liu, Yu-Kun Lai

arxiv:2009.00633 v1 · 2020-09-01 · 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{MMDA5TPR5YKDPNXON7GJLID6MN}

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	2026-07-05T01:32:25.305354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63060ecdf1ee1437b6ee6fcc95a07e637d35a08408a9b180dddd81801ccf80ab

Aliases

arxiv: 2009.00633 · arxiv_version: 2009.00633v1 · doi: 10.48550/arxiv.2009.00633 · pith_short_12: MMDA5TPR5YKD · pith_short_16: MMDA5TPR5YKDPNXO · pith_short_8: MMDA5TPR

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/MMDA5TPR5YKDPNXON7GJLID6MN \
  | 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: 63060ecdf1ee1437b6ee6fcc95a07e637d35a08408a9b180dddd81801ccf80ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afa377c095d1a96e53cbca130569e83c56102850a86107e417d78bde146ec231",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-09-01T18:04:19Z",
    "title_canon_sha256": "e270a46401b66ac31c7762e299c2c4c58c7b18b1dbc062ecbdda604df6ae55ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.00633",
    "kind": "arxiv",
    "version": 1
  }
}