Pith Number

pith:3KALL2QT

pith:2019:3KALL2QTFIGNWL37L47CAUSXSS

not attested not anchored not stored refs pending

Open-ended Evolution and a Mechanism of Novelties in Web Services

Mizuki Oka, Takashi Ikegami, Yasuhiro Hashimoto

arxiv:1903.12178 v1 · 2019-03-28 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3KALL2QTFIGNWL37L47CAUSXSS}

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	2026-05-17T23:49:54.643979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da80b5ea132a0cdb2f7f5f3e20525794aa93697574d9bb046c5543272ea996fc

Aliases

arxiv: 1903.12178 · arxiv_version: 1903.12178v1 · doi: 10.48550/arxiv.1903.12178 · pith_short_12: 3KALL2QTFIGN · pith_short_16: 3KALL2QTFIGNWL37 · pith_short_8: 3KALL2QT

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/3KALL2QTFIGNWL37L47CAUSXSS \
  | 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: da80b5ea132a0cdb2f7f5f3e20525794aa93697574d9bb046c5543272ea996fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "234d48cfb5572f7a163af4a9d5773cf55b6bf09758b84527d3922f990d45d6e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-03-28T14:36:17Z",
    "title_canon_sha256": "34738764d377176de06627a3371d0fa34008b0694f64ff269e29455e67668ecc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12178",
    "kind": "arxiv",
    "version": 1
  }
}