Pith Number

pith:MGRBJ2JL

pith:2019:MGRBJ2JL7ARNDMAUODU7P2CORR

not attested not anchored not stored refs pending

The Existence of Minimal Logarithmic Signatures for some Finite Simple Unitary Groups

A. R. Ashrafi, A. R. Rahimipour

arxiv:1908.04125 v1 · 2019-08-12 · 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{MGRBJ2JL7ARNDMAUODU7P2CORR}

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	2026-07-04T23:53:20.974387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61a214e92bf822d1b01470e9f7e84e8c6e7303cf231548247f1dea242ee5b8f2

Aliases

arxiv: 1908.04125 · arxiv_version: 1908.04125v1 · doi: 10.48550/arxiv.1908.04125 · pith_short_12: MGRBJ2JL7ARN · pith_short_16: MGRBJ2JL7ARNDMAU · pith_short_8: MGRBJ2JL

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/MGRBJ2JL7ARNDMAUODU7P2CORR \
  | 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: 61a214e92bf822d1b01470e9f7e84e8c6e7303cf231548247f1dea242ee5b8f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25346b7ec29fa34c6781fbaeb9129a7878edcd9d73da6c38db2171467487e7d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-08-12T12:50:19Z",
    "title_canon_sha256": "823a47dbfd97423ea64c332c0f54f4e64a7bc8dab7a1066c0b47408fcdbc0efa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04125",
    "kind": "arxiv",
    "version": 1
  }
}