Pith Number

pith:2E6R7AZS

pith:2019:2E6R7AZSIIDTNEYXLRZLDP4KSN

not attested not anchored not stored refs pending

Embedding and learning with signatures

Adeline Fermanian

arxiv:1911.13211 v3 · 2019-11-29 · 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{2E6R7AZSIIDTNEYXLRZLDP4KSN}

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	2026-07-05T01:58:07.802669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d13d1f833242073693175c72b1bf8a9344855073851faec968b16dd98d8c3caf

Aliases

arxiv: 1911.13211 · arxiv_version: 1911.13211v3 · doi: 10.48550/arxiv.1911.13211 · pith_short_12: 2E6R7AZSIIDT · pith_short_16: 2E6R7AZSIIDTNEYX · pith_short_8: 2E6R7AZS

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/2E6R7AZSIIDTNEYXLRZLDP4KSN \
  | 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: d13d1f833242073693175c72b1bf8a9344855073851faec968b16dd98d8c3caf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20ee8e1c4cef1085cb48f899533da4a55ca5bd9d78ab981e91c99050d06e0f7c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-11-29T17:16:49Z",
    "title_canon_sha256": "8f5feabfb82ccbc33725ea9c37fd618c301983c403730f13c0d9ea607a19f127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.13211",
    "kind": "arxiv",
    "version": 3
  }
}