Pith Number

pith:TEZ44NGZ

pith:2018:TEZ44NGZVMQHYQWWMT44WTUOCN

not attested not anchored not stored refs pending

Design Challenges for Reconnecting in Later Life: A Qualitative Study

Fabio Casati, Francisco Ibarra, Grzegorz Kowalik, Luca Cernuzzi, Marcos Baez, Norma Lau, Rados{\l}aw Nielek

arxiv:1806.03249 v1 · 2018-05-31 · 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{TEZ44NGZVMQHYQWWMT44WTUOCN}

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	2026-05-18T00:13:49.047287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9933ce34d9ab207c42d664f9cb4e8e137dc246d0ce95fe8d6d02e973e6aac39a

Aliases

arxiv: 1806.03249 · arxiv_version: 1806.03249v1 · doi: 10.48550/arxiv.1806.03249 · pith_short_12: TEZ44NGZVMQH · pith_short_16: TEZ44NGZVMQHYQWW · pith_short_8: TEZ44NGZ

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/TEZ44NGZVMQHYQWWMT44WTUOCN \
  | 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: 9933ce34d9ab207c42d664f9cb4e8e137dc246d0ce95fe8d6d02e973e6aac39a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e33fecf7edfd4219f80ea63c36f4ac22d5ef192fad4deaf16d1b958a648847a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-05-31T09:31:08Z",
    "title_canon_sha256": "d35d269c9b3c11d89ae7d970e926327bae6b322b3715a4131647c84ca7108ec6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03249",
    "kind": "arxiv",
    "version": 1
  }
}