Pith Number

pith:RRBCFG67

pith:2018:RRBCFG67GJQZTFURNMVXWWA7YI

not attested not anchored not stored refs pending

On parabolic restriction of perverse sheaves

Alexander Yom Din, Roman Bezrukavnikov

arxiv:1810.03297 v1 · 2018-10-08 · 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{RRBCFG67GJQZTFURNMVXWWA7YI}

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	2026-05-18T00:03:51.777113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c42229bdf32619996916b2b7b581fc225ffed2652a84fccbe3e0b5d4bf5ca83

Aliases

arxiv: 1810.03297 · arxiv_version: 1810.03297v1 · doi: 10.48550/arxiv.1810.03297 · pith_short_12: RRBCFG67GJQZ · pith_short_16: RRBCFG67GJQZTFUR · pith_short_8: RRBCFG67

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/RRBCFG67GJQZTFURNMVXWWA7YI \
  | 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: 8c42229bdf32619996916b2b7b581fc225ffed2652a84fccbe3e0b5d4bf5ca83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27013f42e670edaecaf79f34ec79666686e3515cac3aeb911c9e046dd271390a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2018-10-08T07:55:45Z",
    "title_canon_sha256": "09b2e8fd22483b421128b7328441eddeff424ae2b08bd9c5794c17a90b13e855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03297",
    "kind": "arxiv",
    "version": 1
  }
}