Pith Number

pith:J5Z4UEHP

pith:2012:J5Z4UEHPZZQCMX6Y4ULUUGORPH

not attested not anchored not stored refs pending

An ICT Enhanced Life Quality for the Elderly in Developing Countries: Analysis Study Applied to Sri Lanka

Mohamed Firdhous, P. M. Karunaratne

arxiv:1211.2033 v1 · 2012-11-09 · 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{J5Z4UEHPZZQCMX6Y4ULUUGORPH}

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	2026-05-18T03:41:11.914760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f73ca10efce60265fd8e5174a19d179f5031b1da19732f8d47e2c612d7b3efd

Aliases

arxiv: 1211.2033 · arxiv_version: 1211.2033v1 · doi: 10.48550/arxiv.1211.2033 · pith_short_12: J5Z4UEHPZZQC · pith_short_16: J5Z4UEHPZZQCMX6Y · pith_short_8: J5Z4UEHP

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/J5Z4UEHPZZQCMX6Y4ULUUGORPH \
  | 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: 4f73ca10efce60265fd8e5174a19d179f5031b1da19732f8d47e2c612d7b3efd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a90d313efa4b3f43b00f2479892bb4c43010754b2b033b43b5da721c417ae0b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2012-11-09T02:58:45Z",
    "title_canon_sha256": "0dd843f4c772ada3845e220d7a6574b56ac26f885b59be2568589f695fc7cc5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2033",
    "kind": "arxiv",
    "version": 1
  }
}