Pith Number

pith:XY7CDM4T

pith:2019:XY7CDM4TLSSA6U7B42RUFJXCEC

not attested not anchored not stored refs pending

Unsupervised Recalibration

Albert Ziegler, Pawe{\l} Czy\.z

arxiv:1908.09157 v3 · 2019-08-24 · stat.ML · 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{XY7CDM4TLSSA6U7B42RUFJXCEC}

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	2026-07-05T01:43:37.897592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be3e21b3935ca40f53e1e6a342a6e220a15d3e6d2c768517b7931515ec8262e8

Aliases

arxiv: 1908.09157 · arxiv_version: 1908.09157v3 · doi: 10.48550/arxiv.1908.09157 · pith_short_12: XY7CDM4TLSSA · pith_short_16: XY7CDM4TLSSA6U7B · pith_short_8: XY7CDM4T

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/XY7CDM4TLSSA6U7B42RUFJXCEC \
  | 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: be3e21b3935ca40f53e1e6a342a6e220a15d3e6d2c768517b7931515ec8262e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6a8ebeb51e2ffea567e6c1adf930c6ca9445b116d06a7e16a4748938c63fbb6",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-08-24T15:54:00Z",
    "title_canon_sha256": "56ac765c5620831c4e17dc5f2aa3944fa234afdd93b2a304f42e9077df3efdb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09157",
    "kind": "arxiv",
    "version": 3
  }
}