Pith Number

pith:V3E5J27G

pith:2008:V3E5J27GIDECQDLF54BDRRH4OY

not attested not anchored not stored refs pending

Yangians and cohomology rings of Laumon spaces

Andrei Negut, Boris Feigin, Leonid Rybnikov, Michael Finkelberg

arxiv:0812.4656 v4 · 2008-12-26 · math.AG · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V3E5J27GIDECQDLF54BDRRH4OY}

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	2026-05-18T04:25:39.314680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aec9d4ebe640c8280d65ef0238c4fc76273268c04601c42e31e3e63c98ad9a03

Aliases

arxiv: 0812.4656 · arxiv_version: 0812.4656v4 · doi: 10.48550/arxiv.0812.4656 · pith_short_12: V3E5J27GIDEC · pith_short_16: V3E5J27GIDECQDLF · pith_short_8: V3E5J27G

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/V3E5J27GIDECQDLF54BDRRH4OY \
  | 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: aec9d4ebe640c8280d65ef0238c4fc76273268c04601c42e31e3e63c98ad9a03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b9c8a9a57fa9b426c784039e8d52158e5688cb45e8b3cce58bef192dc39ec4f",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-12-26T08:46:49Z",
    "title_canon_sha256": "748491aeba20483a0bd98495bb25accc531afe92f3d55198e43eb6c974f46643"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4656",
    "kind": "arxiv",
    "version": 4
  }
}