Pith Number

pith:5PZQ6WTY

pith:2018:5PZQ6WTYCQ7A7J5NFEOYUUKTR7

not attested not anchored not stored refs pending

A Study on 3D Surface Graph Representations

Abdullah Karim, Long Nguyen

arxiv:1811.07390 v1 · 2018-11-18 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PZQ6WTYCQ7A7J5NFEOYUUKTR7}

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	2026-05-18T00:00:24.669171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebf30f5a78143e0fa7ad291d8a51538fda73a72241b37183551c9d77246e8b42

Aliases

arxiv: 1811.07390 · arxiv_version: 1811.07390v1 · doi: 10.48550/arxiv.1811.07390 · pith_short_12: 5PZQ6WTYCQ7A · pith_short_16: 5PZQ6WTYCQ7A7J5N · pith_short_8: 5PZQ6WTY

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/5PZQ6WTYCQ7A7J5NFEOYUUKTR7 \
  | 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: ebf30f5a78143e0fa7ad291d8a51538fda73a72241b37183551c9d77246e8b42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c283eb34d0a62871a2ee4261dfd8ea7ec879fd0fd2747c5587e88514063d2d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2018-11-18T20:01:04Z",
    "title_canon_sha256": "c5b570ff2c4dcb54b05a45691dc6e043baf45428dae5008054c554164714d410"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07390",
    "kind": "arxiv",
    "version": 1
  }
}