Pith Number

pith:EH3EWGZM

pith:2019:EH3EWGZMCZW6DFW3RXSGSVKIYG

not attested not anchored not stored refs pending

Secret Securing with Multiple Protections and Minimum Costs

Kai Cai, Shoma Matsui

arxiv:1908.03929 v1 · 2019-08-11 · eess.SY · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EH3EWGZMCZW6DFW3RXSGSVKIYG}

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	2026-07-04T23:53:19.406333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21f64b1b2c166de196db8de4695548c1b8f70c5b1a990d39ddac093bbdbf3eb8

Aliases

arxiv: 1908.03929 · arxiv_version: 1908.03929v1 · doi: 10.48550/arxiv.1908.03929 · pith_short_12: EH3EWGZMCZW6 · pith_short_16: EH3EWGZMCZW6DFW3 · pith_short_8: EH3EWGZM

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/EH3EWGZMCZW6DFW3RXSGSVKIYG \
  | 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: 21f64b1b2c166de196db8de4695548c1b8f70c5b1a990d39ddac093bbdbf3eb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd24ee6614c330f0e504b4fe7f5f132d58ee3795dd07992c7c0682c867afb1dd",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2019-08-11T16:02:24Z",
    "title_canon_sha256": "39394279ff61d3b5f8e351bec7dd8c22a325880dd445e8a43e5d5fe3e3b4a50b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03929",
    "kind": "arxiv",
    "version": 1
  }
}