Pith Number

pith:KP5YIRL7

pith:2019:KP5YIRL7OJQI7SH2J7ZZTRLUC5

not attested not anchored not stored refs pending

Openbots

Christian Grimme, Dennis Assenmacher, Heike Trautmann, Lena Adam, Lena Frischlich

arxiv:1902.06691 v2 · 2019-02-14 · cs.CY · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KP5YIRL7OJQI7SH2J7ZZTRLUC5}

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	2026-05-17T23:53:40.904633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53fb84457f72608fc8fa4ff399c5741744333c8f094ddfcf3e87cc5d82cc80ea

Aliases

arxiv: 1902.06691 · arxiv_version: 1902.06691v2 · doi: 10.48550/arxiv.1902.06691 · pith_short_12: KP5YIRL7OJQI · pith_short_16: KP5YIRL7OJQI7SH2 · pith_short_8: KP5YIRL7

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/KP5YIRL7OJQI7SH2J7ZZTRLUC5 \
  | 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: 53fb84457f72608fc8fa4ff399c5741744333c8f094ddfcf3e87cc5d82cc80ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4dcfa35507f82f1f598d3e02a2882a7210e23aa20611066edff5eb0eb69bc7a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-02-14T15:40:37Z",
    "title_canon_sha256": "920116ae3eaa93a2ed99e810f31ad8f9e231b83d0d5cc71b102659e84cd1b52f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06691",
    "kind": "arxiv",
    "version": 2
  }
}