Pith Number

pith:T3EF5UZX

pith:2015:T3EF5UZXGHDHJJFVXE6IFCOUZE

not attested not anchored not stored refs pending

Efficient Image-Space Extraction and Representation of 3D Surface Topography

Markus Seidl, Matthias Zeppelzauer

arxiv:1504.08308 v3 · 2015-04-30 · 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{T3EF5UZXGHDHJJFVXE6IFCOUZE}

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	2026-05-18T02:16:50.560355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ec85ed33731c674a4b5b93c8289d4c91929d4c0ed20d60db3f1b79991412224

Aliases

arxiv: 1504.08308 · arxiv_version: 1504.08308v3 · doi: 10.48550/arxiv.1504.08308 · pith_short_12: T3EF5UZXGHDH · pith_short_16: T3EF5UZXGHDHJJFV · pith_short_8: T3EF5UZX

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/T3EF5UZXGHDHJJFVXE6IFCOUZE \
  | 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: 9ec85ed33731c674a4b5b93c8289d4c91929d4c0ed20d60db3f1b79991412224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe0141028e7c14bacf6775e9f9b03a4807af2f403d388e52ad96ef1cbb964d54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-04-30T17:02:59Z",
    "title_canon_sha256": "998ddbd0a408b8092d41367cdf5c734682a660f2bd02bea0341a19db292da166"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.08308",
    "kind": "arxiv",
    "version": 3
  }
}