Pith Number

pith:SQEKBUKA

pith:2012:SQEKBUKAUJXZP4FGJDD36YMWKH

not attested not anchored not stored refs pending

Multi-model-based Access Control in Construction Projects

Brazil), Frank Hilbert (Institute of Construction Informatics Dresden University of Technology Dresden, Germany), Larissa Araujo (Engineering School of Sao Carlos University of Sao Paulo Sao Paulo, Raimar J. Scherer (Institute of Construction Informatics Dresden University of Technology Dresden

arxiv:1204.6089 v1 · 2012-04-27 · cs.MA · cs.CE · cs.CY · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQEKBUKAUJXZP4FGJDD36YMWKH}

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	2026-05-18T03:56:47.062235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9408a0d140a26f97f0a648c7bf619651c08c6693308b6cc66c0f736fa158f399

Aliases

arxiv: 1204.6089 · arxiv_version: 1204.6089v1 · doi: 10.48550/arxiv.1204.6089 · pith_short_12: SQEKBUKAUJXZ · pith_short_16: SQEKBUKAUJXZP4FG · pith_short_8: SQEKBUKA

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/SQEKBUKAUJXZP4FGJDD36YMWKH \
  | 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: 9408a0d140a26f97f0a648c7bf619651c08c6693308b6cc66c0f736fa158f399

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "302c364c3f8401bca2714fc2d3715fc7f14219af434dd9817d26c31bcc41977c",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.CY",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MA",
    "submitted_at": "2012-04-27T00:34:00Z",
    "title_canon_sha256": "35351ceeffbaf50fe5e1d88aecc092b55beab3f35293c6ed09b73d3c301aa74d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6089",
    "kind": "arxiv",
    "version": 1
  }
}