Pith Number

pith:W5K7LBY6

pith:2018:W5K7LBY6XMJIW3JAUDKXAGGOQM

not attested not anchored not stored refs pending

A Framework to build Games with a Purpose for Linked Data Refinement

Andrea Fiano, Gloria Re Calegari, Irene Celino

arxiv:1811.02848 v1 · 2018-11-07 · 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{W5K7LBY6XMJIW3JAUDKXAGGOQM}

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	2026-05-18T00:01:20.609795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b755f5871ebb128b6d20a0d57018ce831381801b40eca352edb7c80f5430a6cb

Aliases

arxiv: 1811.02848 · arxiv_version: 1811.02848v1 · doi: 10.48550/arxiv.1811.02848 · pith_short_12: W5K7LBY6XMJI · pith_short_16: W5K7LBY6XMJIW3JA · pith_short_8: W5K7LBY6

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/W5K7LBY6XMJIW3JAUDKXAGGOQM \
  | 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: b755f5871ebb128b6d20a0d57018ce831381801b40eca352edb7c80f5430a6cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f59b6f4a2910c9f318fbfabc5608483d30251e796c99bc9c8357d0f95b6fc52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-11-07T11:44:24Z",
    "title_canon_sha256": "385cdf3ed24baf2dde77a07c8ccb28d6205659116100e48ce59a742316049a5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02848",
    "kind": "arxiv",
    "version": 1
  }
}