Pith Number

pith:B3OGYVGK

pith:2019:B3OGYVGKHPWK2QVL3V44GMH22X

not attested not anchored not stored refs pending

Maps from Feigin and Odesskii's elliptic algebras to twisted homogeneous coordinate rings

Alex Chirvasitu, Ryo Kanda, S. Paul Smith

arxiv:1908.06525 v3 · 2019-08-18 · math.AG · 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{B3OGYVGKHPWK2QVL3V44GMH22X}

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	2026-07-05T02:20:26.952114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0edc6c54ca3becad42abdd79c330fad5fa3c906afe6ebd49e77c36fc0198a3f2

Aliases

arxiv: 1908.06525 · arxiv_version: 1908.06525v3 · doi: 10.48550/arxiv.1908.06525 · pith_short_12: B3OGYVGKHPWK · pith_short_16: B3OGYVGKHPWK2QVL · pith_short_8: B3OGYVGK

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/B3OGYVGKHPWK2QVL3V44GMH22X \
  | 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: 0edc6c54ca3becad42abdd79c330fad5fa3c906afe6ebd49e77c36fc0198a3f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d516223aafd2fac35dacfc5af0a869fcfe36c150afcb55b242e095c233f3fbf",
    "cross_cats_sorted": [
      "math.QA",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-18T22:32:02Z",
    "title_canon_sha256": "6a5dca52964ab23861321099010cba2b12145ac130696c449bf4a7e3fbad8000"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06525",
    "kind": "arxiv",
    "version": 3
  }
}