Pith Number

pith:YBGHFIGO

pith:2003:YBGHFIGO2C4U5LKWCZM4QJH6RH

not attested not anchored not stored refs pending

Vanishing of cohomology associated to quantized Drinfeld-Sokolov reduction

Tomoyuki Arakawa

arxiv:math/0303172 v3 · 2003-03-13 · 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{YBGHFIGO2C4U5LKWCZM4QJH6RH}

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	2026-05-17T23:41:40.061762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c04c72a0ced0b94ead561659c824fe89e69d3771c25adbe87d7359c6289f84d7

Aliases

arxiv: math/0303172 · arxiv_version: math/0303172v3 · doi: 10.48550/arxiv.math/0303172 · pith_short_12: YBGHFIGO2C4U · pith_short_16: YBGHFIGO2C4U5LKW · pith_short_8: YBGHFIGO

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/YBGHFIGO2C4U5LKWCZM4QJH6RH \
  | 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: c04c72a0ced0b94ead561659c824fe89e69d3771c25adbe87d7359c6289f84d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba9325b77992b4744133dedafd712c0024910d8bdc41722ac7f87c444575acbf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.QA",
    "submitted_at": "2003-03-13T19:22:06Z",
    "title_canon_sha256": "44622fd9f4e1558621d3aedd451faff0f1460a8628e1da95cc939441aeef5ffc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0303172",
    "kind": "arxiv",
    "version": 3
  }
}