Pith Number

pith:5E4EQPEV

pith:2026:5E4EQPEV4XCSKC2UCUXYBVH5VO

not attested not anchored not stored refs pending

Construction of PBW and canonical bases in the folding extension algebras for symmetrizable types

Yumeng Wu

arxiv:2607.25495 v1 · 2026-07-28 · 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{5E4EQPEV4XCSKC2UCUXYBVH5VO}

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	2026-07-29T01:25:18.268100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e938483c95e5c5250b54152f80d4fdababb082e467492e2e190ad63e5c0d36a4

Aliases

arxiv: 2607.25495 · arxiv_version: 2607.25495v1 · doi: 10.48550/arxiv.2607.25495 · pith_short_12: 5E4EQPEV4XCS · pith_short_16: 5E4EQPEV4XCSKC2U · pith_short_8: 5E4EQPEV

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/5E4EQPEV4XCSKC2UCUXYBVH5VO \
  | 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: e938483c95e5c5250b54152f80d4fdababb082e467492e2e190ad63e5c0d36a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e746b97ca102d37bec8ef52e017f5c92df203f51dd9f90e8e0595cf73410b81f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2026-07-28T09:32:52Z",
    "title_canon_sha256": "9ef8efa535e7142d07c87e5d0fa12c216a8b3e6d5e67a9e4ee15412e678bcc42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25495",
    "kind": "arxiv",
    "version": 1
  }
}