Pith Number

pith:4SVQNYQM

pith:2015:4SVQNYQMYZIX7J2Z5RXBRTARYH

not attested not anchored not stored refs pending

Public-key cryptosystem based on invariants of diagonalizable groups

Alexandr N. Zubkov, Frantisek Marko, Martin Juras

arxiv:1507.07848 v2 · 2015-07-28 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SVQNYQMYZIX7J2Z5RXBRTARYH}

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	2026-05-18T01:11:18.163300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4ab06e20cc6517fa759ec6e18cc11c1ed981759a7c88e64c814a1cb8e509928

Aliases

arxiv: 1507.07848 · arxiv_version: 1507.07848v2 · doi: 10.48550/arxiv.1507.07848 · pith_short_12: 4SVQNYQMYZIX · pith_short_16: 4SVQNYQMYZIX7J2Z · pith_short_8: 4SVQNYQM

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/4SVQNYQMYZIX7J2Z5RXBRTARYH \
  | 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: e4ab06e20cc6517fa759ec6e18cc11c1ed981759a7c88e64c814a1cb8e509928

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b09475056236f0784c291dbef4e7770d63048ee9d4fc85a0df73341b389b5148",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-07-28T17:01:30Z",
    "title_canon_sha256": "e0bda186496786b877d5086923b02e18b4f78c77cd8637efa15c67cfd58e095d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07848",
    "kind": "arxiv",
    "version": 2
  }
}