Pith Number

pith:JZRXCIJ5

pith:2018:JZRXCIJ5752CU2EBRV53GVXQDJ

not attested not anchored not stored refs pending

Problems on skew left braces

Leandro Vendramin

arxiv:1807.06411 v3 · 2018-07-17 · math.RA · math.GR · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JZRXCIJ5752CU2EBRV53GVXQDJ}

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	2026-05-17T23:42:43.125556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e6371213dff742a68818d7bb356f01a46f69b656129a83ea9184dda31e38e92

Aliases

arxiv: 1807.06411 · arxiv_version: 1807.06411v3 · doi: 10.48550/arxiv.1807.06411 · pith_short_12: JZRXCIJ5752C · pith_short_16: JZRXCIJ5752CU2EB · pith_short_8: JZRXCIJ5

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/JZRXCIJ5752CU2EBRV53GVXQDJ \
  | 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: 4e6371213dff742a68818d7bb356f01a46f69b656129a83ea9184dda31e38e92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad437448e0ecf4640a0e9e39e2177ef7cda91b1daf1458c78fb75938af3aa78c",
    "cross_cats_sorted": [
      "math.GR",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-07-17T13:23:27Z",
    "title_canon_sha256": "3d67620148690e3629ee8fd2eaf66540530596fedc4be2463a513c20f704b70b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06411",
    "kind": "arxiv",
    "version": 3
  }
}