Pith Number

pith:FSTQCMMV

pith:2026:FSTQCMMVBXISMKGA4OQI6WRKLK

not attested not anchored not stored refs pending

AuthentiCity: A Multi-Source Provenance-Aware Knowledge Graph and Benchmark for 3D City Models

Huynh Duc An Son Nguyen, Lukas Arzoumanidis, Youness Dehbi

arxiv:2607.25243 v1 · 2026-07-28 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FSTQCMMVBXISMKGA4OQI6WRKLK}

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	2026-07-29T00:25:10.482520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ca70131950dd12628c0e3a08f5a2a5a8e3118a0aebeb9d3d0d5ca78df37a27d

Aliases

arxiv: 2607.25243 · arxiv_version: 2607.25243v1 · doi: 10.48550/arxiv.2607.25243 · pith_short_12: FSTQCMMVBXIS · pith_short_16: FSTQCMMVBXISMKGA · pith_short_8: FSTQCMMV

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/FSTQCMMVBXISMKGA4OQI6WRKLK \
  | 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: 2ca70131950dd12628c0e3a08f5a2a5a8e3118a0aebeb9d3d0d5ca78df37a27d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17781f83db687754b01d4bfa9020cc5a367b2d9346a9d02fc5461154f86805fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-07-28T03:37:27Z",
    "title_canon_sha256": "abd92b32542b0c466e24102ba3ce1831479011df613014f932db6034563f696e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25243",
    "kind": "arxiv",
    "version": 1
  }
}