Pith Number

pith:2SHPDBOF

pith:2019:2SHPDBOFM32PCFFX36PVZBX5MT

not attested not anchored not stored refs pending

Key-agreement based on automaton groups

Dima Grigoriev, Rostislav Grigorchuk

arxiv:1905.03124 v1 · 2019-05-08 · cs.CR · cs.CC · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2SHPDBOFM32PCFFX36PVZBX5MT}

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	2026-05-17T23:46:42.806452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d48ef185c566f4f114b7df9f5c86fd64c35730c9efc00728d5a621d2061f3314

Aliases

arxiv: 1905.03124 · arxiv_version: 1905.03124v1 · doi: 10.48550/arxiv.1905.03124 · pith_short_12: 2SHPDBOFM32P · pith_short_16: 2SHPDBOFM32PCFFX · pith_short_8: 2SHPDBOF

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/2SHPDBOFM32PCFFX36PVZBX5MT \
  | 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: d48ef185c566f4f114b7df9f5c86fd64c35730c9efc00728d5a621d2061f3314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d62ae4169a95fe43d5ff644fe498c278c8b920c725482ca191d2e1eabd4928e9",
    "cross_cats_sorted": [
      "cs.CC",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-05-08T14:56:30Z",
    "title_canon_sha256": "df8317a0a7bd506adc147d5208300dcd57432e52f115f54144a811d7a3746442"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03124",
    "kind": "arxiv",
    "version": 1
  }
}