Pith Number

pith:PKDBSFIF

pith:2025:PKDBSFIFR6GM35WY5643DT4PAX

not attested not anchored not stored refs pending

A methodology and a platform for high-quality rich personal data

Fausto Giunchiglia, Haonan Zhao, Ivan Kayongo, Leonardo Malcotti

arxiv:2501.16864 v3 · 2025-01-28 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PKDBSFIFR6GM35WY5643DT4PAX}

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	2026-07-05T10:38:41.375606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a861915058f8ccdf6d8efb9b1cf8f05cd574dde6ecea0564f4894be2de2817f

Aliases

arxiv: 2501.16864 · arxiv_version: 2501.16864v3 · doi: 10.48550/arxiv.2501.16864 · pith_short_12: PKDBSFIFR6GM · pith_short_16: PKDBSFIFR6GM35WY · pith_short_8: PKDBSFIF

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/PKDBSFIFR6GM35WY5643DT4PAX \
  | 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: 7a861915058f8ccdf6d8efb9b1cf8f05cd574dde6ecea0564f4894be2de2817f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "551a625051d424d809f71eeba0c11b61a8dec4522b63cd2553aa7524914ff460",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2025-01-28T11:28:22Z",
    "title_canon_sha256": "e1f1748a0f2fc23cd13cfde201c8f4d73186ab7c6c20921219e0c8cd038bdaa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.16864",
    "kind": "arxiv",
    "version": 3
  }
}