Pith Number

pith:W2LFUR5B

pith:2019:W2LFUR5BOSYEVQFZV64LY5NZME

not attested not anchored not stored refs pending

Generating pairs of projective special linear groups that fail to lift

Anitha Thillaisundaram, Benjamin Klopsch, Jan Boschheidgen

arxiv:1908.05456 v2 · 2019-08-15 · 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{W2LFUR5BOSYEVQFZV64LY5NZME}

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	2026-07-05T00:02:14.404981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6965a47a174b04ac0b9afb8bc75b9610e9d595a24bb481f841f47980bf9d311

Aliases

arxiv: 1908.05456 · arxiv_version: 1908.05456v2 · doi: 10.48550/arxiv.1908.05456 · pith_short_12: W2LFUR5BOSYE · pith_short_16: W2LFUR5BOSYEVQFZ · pith_short_8: W2LFUR5B

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/W2LFUR5BOSYEVQFZV64LY5NZME \
  | 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: b6965a47a174b04ac0b9afb8bc75b9610e9d595a24bb481f841f47980bf9d311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e7c1862315339c5fa4a17a7d9d3b787f866d8870623e4fcf876ea045ae62828",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-08-15T08:20:19Z",
    "title_canon_sha256": "a48040201d19db1cb527594a42eb4414213ec66c6543e663b39ce5ab93cbd4ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05456",
    "kind": "arxiv",
    "version": 2
  }
}