Pith Number

pith:QIOOTRQL

pith:2009:QIOOTRQLTDYYS67SDMTJ7FFDKE

not attested not anchored not stored refs pending

On the singularity of the irreducible components of a Springer fiber in sl(n)

Anna Melnikov, Lucas Fresse

arxiv:0905.1617 v2 · 2009-05-11 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QIOOTRQLTDYYS67SDMTJ7FFDKE}

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	2026-05-18T04:40:20.630310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

821ce9c60b98f1897bf21b269f94a3510855b28fd8f241704cf8db06d4d257eb

Aliases

arxiv: 0905.1617 · arxiv_version: 0905.1617v2 · doi: 10.48550/arxiv.0905.1617 · pith_short_12: QIOOTRQLTDYY · pith_short_16: QIOOTRQLTDYYS67S · pith_short_8: QIOOTRQL

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/QIOOTRQLTDYYS67SDMTJ7FFDKE \
  | 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: 821ce9c60b98f1897bf21b269f94a3510855b28fd8f241704cf8db06d4d257eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1cbff6c6d7f6ce4b03003f1e0250123db4c6544a0f9211f2230f0f5331027c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-05-11T13:34:20Z",
    "title_canon_sha256": "492bf2ab0ff018f8320c016897f68a05893a9f9c01309004bdf369a6400a0b91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1617",
    "kind": "arxiv",
    "version": 2
  }
}