Pith Number

pith:DYUTTSFD

pith:2018:DYUTTSFD227VOVPXIPF4SXJOI7

not attested not anchored not stored refs pending

Does Your Phone Know Your Touch?

David Zucker, John Peruzzi, Phillip Andrew Wingard

arxiv:1809.03402 v1 · 2018-09-10 · cs.LG · cs.CR · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DYUTTSFD227VOVPXIPF4SXJOI7}

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	2026-05-18T00:06:07.005152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e2939c8a3d6bf5755f743cbc95d2e47ccca523db7d31918998e06cc7c46618f

Aliases

arxiv: 1809.03402 · arxiv_version: 1809.03402v1 · doi: 10.48550/arxiv.1809.03402 · pith_short_12: DYUTTSFD227V · pith_short_16: DYUTTSFD227VOVPX · pith_short_8: DYUTTSFD

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/DYUTTSFD227VOVPXIPF4SXJOI7 \
  | 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: 1e2939c8a3d6bf5755f743cbc95d2e47ccca523db7d31918998e06cc7c46618f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dd91351b7691de1793f021c9c91337d741e44274fc8edb9bc25bde15b314eb4",
    "cross_cats_sorted": [
      "cs.CR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-09-10T15:39:07Z",
    "title_canon_sha256": "6c65820c478687f3704e155d22b01033f5b5656c73e93893b1ecf7f45197f471"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03402",
    "kind": "arxiv",
    "version": 1
  }
}