Pith Number

pith:UPQCPVBK

pith:2018:UPQCPVBK3ZWN6NLVSPZ6DKMQAE

not attested not anchored not stored refs pending

3D Scanning: A Comprehensive Survey

Ahmed Helmi, Cagri Ozcinar, Egils Avots, Fatemeh Noroozi, Fatih Alisinanoglu, Gholamreza Anbarjafari, Hasan Sait Arslan, Jelena Gorbova, Morteza Daneshmand, Rain Eric Haamer

arxiv:1801.08863 v1 · 2018-01-24 · cs.CV · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPQCPVBK3ZWN6NLVSPZ6DKMQAE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:25:02.830686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3e027d42ade6cdf357593f3e1a99001170eb90c4f971ef2208070629c783f54

Aliases

arxiv: 1801.08863 · arxiv_version: 1801.08863v1 · doi: 10.48550/arxiv.1801.08863 · pith_short_12: UPQCPVBK3ZWN · pith_short_16: UPQCPVBK3ZWN6NLV · pith_short_8: UPQCPVBK

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/UPQCPVBK3ZWN6NLVSPZ6DKMQAE \
  | 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: a3e027d42ade6cdf357593f3e1a99001170eb90c4f971ef2208070629c783f54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36860aeaef1c8f4737b2b9856f97ce743d368b974d60c789b60c553b6831f22f",
    "cross_cats_sorted": [
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-24T00:13:15Z",
    "title_canon_sha256": "b69be858a72a952ad0ad2232da8d69d7f436c51c22dd7cafb603abcf7abbbca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08863",
    "kind": "arxiv",
    "version": 1
  }
}