Pith Number

pith:P3LCRKDY

pith:2015:P3LCRKDYJFTAHARHTMBXJL55FL

not attested not anchored not stored refs pending

Group key management based on semigroup actions

Davide Schipani, Joachim Rosenthal, Juan Antonio Lopez-Ramos, Reto Schnyder

arxiv:1509.01075 v2 · 2015-09-03 · cs.IT · cs.CR · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P3LCRKDYJFTAHARHTMBXJL55FL}

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	2026-05-18T01:10:20.292938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ed628a87849660382279b0374afbd2aff7b047be187a06e2950647947950202

Aliases

arxiv: 1509.01075 · arxiv_version: 1509.01075v2 · doi: 10.48550/arxiv.1509.01075 · pith_short_12: P3LCRKDYJFTA · pith_short_16: P3LCRKDYJFTAHARH · pith_short_8: P3LCRKDY

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/P3LCRKDYJFTAHARHTMBXJL55FL \
  | 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: 7ed628a87849660382279b0374afbd2aff7b047be187a06e2950647947950202

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7945249d0aa66b0b3c43bfdabb825d2780dc859842fa7c2f04f4278928f5556d",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-09-03T13:28:02Z",
    "title_canon_sha256": "4aa0e0c6912d5e34cace8d0a72906439d75a660b7a87e42de868a3157297f1a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01075",
    "kind": "arxiv",
    "version": 2
  }
}