Pith Number

pith:7JIH2W6S

pith:2018:7JIH2W6SR4QFKXYERKCCIPY7EG

not attested not anchored not stored refs pending

On Lyapunov exponents and adversarial perturbation

John Whaley, Nishant Desai, Vinay Uday Prabhu

arxiv:1802.06927 v1 · 2018-02-20 · cs.CV · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JIH2W6SR4QFKXYERKCCIPY7EG}

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	2026-05-18T00:22:53.966702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa507d5bd28f20555f048a84243f1f21a35c40668aa618f78c13772757d2150e

Aliases

arxiv: 1802.06927 · arxiv_version: 1802.06927v1 · doi: 10.48550/arxiv.1802.06927 · pith_short_12: 7JIH2W6SR4QF · pith_short_16: 7JIH2W6SR4QFKXYE · pith_short_8: 7JIH2W6S

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/7JIH2W6SR4QFKXYERKCCIPY7EG \
  | 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: fa507d5bd28f20555f048a84243f1f21a35c40668aa618f78c13772757d2150e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d28f813fcb10762d3d9597bb1211e5c7775130362494d46aae8a1db08ad2807",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-02-20T01:09:22Z",
    "title_canon_sha256": "d089a9d538da34a900acd208aa7c9e04ac1c08b9e484b772e9a5b107788ee9e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06927",
    "kind": "arxiv",
    "version": 1
  }
}