Pith Number

pith:DEFC5QTX

pith:2017:DEFC5QTXOXBCPXMZVLBZFSDSCN

not attested not anchored not stored refs pending

Weyl group covers for Brieskorn's resolutions in all characteristics and the integral cohomology of $G/P$

N.I. Shepherd-Barron

arxiv:1711.10439 v5 · 2017-11-28 · 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{DEFC5QTXOXBCPXMZVLBZFSDSCN}

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	2026-05-17T23:49:22.651132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

190a2ec27775c227dd99aac392c87213428c4e16765235d4d8ecd999d9b9c86c

Aliases

arxiv: 1711.10439 · arxiv_version: 1711.10439v5 · doi: 10.48550/arxiv.1711.10439 · pith_short_12: DEFC5QTXOXBC · pith_short_16: DEFC5QTXOXBCPXMZ · pith_short_8: DEFC5QTX

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/DEFC5QTXOXBCPXMZVLBZFSDSCN \
  | 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: 190a2ec27775c227dd99aac392c87213428c4e16765235d4d8ecd999d9b9c86c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b99fa724b3ceec15c6fae121b66e1d1c320422c08f4dab0faa63b5cfdc03db93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-11-28T18:00:35Z",
    "title_canon_sha256": "1230f43fb80abb73d46c571b3e11ed99bfad8537cca73737e3f0fe679738b5ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.10439",
    "kind": "arxiv",
    "version": 5
  }
}