Pith Number

pith:ULGUELWA

pith:2009:ULGUELWAW2KFQSL2CL3WY2F4ZS

not attested not anchored not stored refs pending

Right coideal subalgebras in U^+_q(so_{2n+1})

Vladislav Kharchenko

arxiv:0908.4235 v1 · 2009-08-28 · math.QA · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULGUELWAW2KFQSL2CL3WY2F4ZS}

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	2026-07-04T15:48:35.894903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2cd422ec0b69458497a12f76c68bccca401751cf5132fc68835aeb74bb1cd76

Aliases

arxiv: 0908.4235 · arxiv_version: 0908.4235v1 · doi: 10.48550/arxiv.0908.4235 · pith_short_12: ULGUELWAW2KF · pith_short_16: ULGUELWAW2KFQSL2 · pith_short_8: ULGUELWA

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/ULGUELWAW2KFQSL2CL3WY2F4ZS \
  | 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: a2cd422ec0b69458497a12f76c68bccca401751cf5132fc68835aeb74bb1cd76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e7f4a15ccf1b0ba4c481830832984eac0384fe889437c92fe24bd0fbc9597d6",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2009-08-28T16:22:57Z",
    "title_canon_sha256": "1f51efcde8152f43e6065dfb1f324120fedb36ff0a9ee783272de2c3b130a9e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4235",
    "kind": "arxiv",
    "version": 1
  }
}