Pith Number

pith:OWXVVU6G

pith:2014:OWXVVU6GZVSEPZCQCR6JP6GOBM

not attested not anchored not stored refs pending

Upper central series for the group of unitriangular automorphisms of a free associative algebra

Mikhail V. Neshchadim, Valeriy G. Bardakov

arxiv:1405.6288 v1 · 2014-05-24 · 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{OWXVVU6GZVSEPZCQCR6JP6GOBM}

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	2026-05-18T02:51:07.589987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75af5ad3c6cd6447e450147c97f8ce0b3f8e270f3f1477242b9e477f6257a30a

Aliases

arxiv: 1405.6288 · arxiv_version: 1405.6288v1 · doi: 10.48550/arxiv.1405.6288 · pith_short_12: OWXVVU6GZVSE · pith_short_16: OWXVVU6GZVSEPZCQ · pith_short_8: OWXVVU6G

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/OWXVVU6GZVSEPZCQCR6JP6GOBM \
  | 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: 75af5ad3c6cd6447e450147c97f8ce0b3f8e270f3f1477242b9e477f6257a30a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "807d1fb6d98305a45fd3f5aeb270ad5d4b0681b8e7dab5ad72b2dfa076ca716d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-05-24T10:21:29Z",
    "title_canon_sha256": "202639f6d6c43801b4f13adbdf35adf2aa3b045c5a0968716912cd26bcaaa9a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6288",
    "kind": "arxiv",
    "version": 1
  }
}