Pith Number

pith:Z7WQ6RT4

pith:2017:Z7WQ6RT4SI5PGMJXYUDAI5XDZF

not attested not anchored not stored refs pending

LivingLab PJAIT: Towards Better Urban Participation of Seniors

(2) Warsaw University, Adam Wierzbicki (1) ((1) Polish-Japanese Academy of Information Technology, Anna Jaskulska (1), Katarzyna Abramczuk (2), Kinga Skorupska (1), Poland, Poland), Radoslaw Nielek (1), Warsaw, Wies{\l}aw Kope\'c (1)

arxiv:1707.00030 v1 · 2017-06-30 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z7WQ6RT4SI5PGMJXYUDAI5XDZF}

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	2026-05-18T00:41:08.762448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfed0f467c923af33137c5060476e3c94bd5d5e4c0605272e23e34c4a95ef101

Aliases

arxiv: 1707.00030 · arxiv_version: 1707.00030v1 · doi: 10.48550/arxiv.1707.00030 · pith_short_12: Z7WQ6RT4SI5P · pith_short_16: Z7WQ6RT4SI5PGMJX · pith_short_8: Z7WQ6RT4

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/Z7WQ6RT4SI5PGMJXYUDAI5XDZF \
  | 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: cfed0f467c923af33137c5060476e3c94bd5d5e4c0605272e23e34c4a95ef101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5586a6a3040077437a7b0b9784344bb6452348c7166f1ad3fce9835478d520c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-06-30T19:42:58Z",
    "title_canon_sha256": "c13317c19037b2d5e158b73e4e37d0c62c62591c7d8e835e71263acd7e7218f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00030",
    "kind": "arxiv",
    "version": 1
  }
}