Pith Number

pith:UMK6WXK2

pith:2015:UMK6WXK23UAYEMIQQSXXHDMJUC

not attested not anchored not stored refs pending

Social Participation Ontology: community documentation, enhancements and use examples

Dilvan de Abreu Moreira, Flor Karina Mamani Amanqui, Henrique Parra Parra Filho, Osvaldo Novais de Oliveira Junior, Renato Fabbri, Ricardo Augusto Poppi Martins, Rodrigo Bandeira de Luna

arxiv:1501.02662 v3 · 2015-01-12 · cs.CY · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMK6WXK23UAYEMIQQSXXHDMJUC}

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	2026-05-18T00:31:45.560008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a315eb5d5add0182311084af738d89a0860a4c04f34a44a4ea003d97cb3dfda6

Aliases

arxiv: 1501.02662 · arxiv_version: 1501.02662v3 · doi: 10.48550/arxiv.1501.02662 · pith_short_12: UMK6WXK23UAY · pith_short_16: UMK6WXK23UAYEMIQ · pith_short_8: UMK6WXK2

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/UMK6WXK23UAYEMIQQSXXHDMJUC \
  | 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: a315eb5d5add0182311084af738d89a0860a4c04f34a44a4ea003d97cb3dfda6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "314609af16b38bfea9ce61101fb68d6a38d79ed637ee083ed4c84b5575e3532d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-01-12T14:33:23Z",
    "title_canon_sha256": "c3b27c46ef525db2697a4ba9e442f90a5ce10c1df3b6f2df7a75c00ae2383000"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02662",
    "kind": "arxiv",
    "version": 3
  }
}