Pith Number

pith:EN43U3VX

pith:2017:EN43U3VXAYJLCZQ2WH3MQ2RVNI

not attested not anchored not stored refs pending

Decoupling "when to update" from "how to update"

Eran Malach, Shai Shalev-Shwartz

arxiv:1706.02613 v2 · 2017-06-08 · 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{EN43U3VXAYJLCZQ2WH3MQ2RVNI}

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	2026-05-18T00:20:17.112559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2379ba6eb70612b1661ab1f6c86a356a341606f3850545125ea355ee9cb5e355

Aliases

arxiv: 1706.02613 · arxiv_version: 1706.02613v2 · doi: 10.48550/arxiv.1706.02613 · pith_short_12: EN43U3VXAYJL · pith_short_16: EN43U3VXAYJLCZQ2 · pith_short_8: EN43U3VX

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/EN43U3VXAYJLCZQ2WH3MQ2RVNI \
  | 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: 2379ba6eb70612b1661ab1f6c86a356a341606f3850545125ea355ee9cb5e355

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb7789bfd0f4ff9457a49c4d1d636158fcb24aaefd2669517927060f37302432",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-06-08T14:37:45Z",
    "title_canon_sha256": "50b2a43a58e0f738847d918c79c84893ee7fcb5531ea6bf6c35c3cf5a1f7b210"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02613",
    "kind": "arxiv",
    "version": 2
  }
}