Pith Number

pith:2RIGYX7F

pith:2017:2RIGYX7FSTYUQ7ME4PFSVMC7WE

not attested not anchored not stored refs pending

On the Identity Problem for the Special Linear Group and the Heisenberg Group

Igor Potapov, Reino Niskanen, Sang-Ki Ko

arxiv:1706.04166 v5 · 2017-06-13 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RIGYX7FSTYUQ7ME4PFSVMC7WE}

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	2026-05-18T00:16:23.776889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4506c5fe594f1487d84e3cb2ab05fb125de17f5b17c1276ad3731e7da616f84

Aliases

arxiv: 1706.04166 · arxiv_version: 1706.04166v5 · doi: 10.48550/arxiv.1706.04166 · pith_short_12: 2RIGYX7FSTYU · pith_short_16: 2RIGYX7FSTYUQ7ME · pith_short_8: 2RIGYX7F

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/2RIGYX7FSTYUQ7ME4PFSVMC7WE \
  | 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: d4506c5fe594f1487d84e3cb2ab05fb125de17f5b17c1276ad3731e7da616f84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0e7e4aabbbb97a54d6616e44477a47f72c4072731f1cf4c3dd2ae3b2326da4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-06-13T17:10:37Z",
    "title_canon_sha256": "eff183f7c99f7d0d82539531ab6781c6992fe123ba5342755447d146c560ebed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04166",
    "kind": "arxiv",
    "version": 5
  }
}