Pith Number

pith:KMDWVFXT

pith:2012:KMDWVFXTYWH3FYIYKHXSKLXG3L

not attested not anchored not stored refs pending

Geometry and cohomology of Khovanov-Springer varieties

Neil Strickland, Philip Eve

arxiv:1205.2236 v1 · 2012-05-10 · math.AT · 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{KMDWVFXTYWH3FYIYKHXSKLXG3L}

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	2026-05-18T03:55:56.735894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53076a96f3c58fb2e11851ef252ee6dacf50f8799d643250892300cb6b4c367c

Aliases

arxiv: 1205.2236 · arxiv_version: 1205.2236v1 · doi: 10.48550/arxiv.1205.2236 · pith_short_12: KMDWVFXTYWH3 · pith_short_16: KMDWVFXTYWH3FYIY · pith_short_8: KMDWVFXT

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/KMDWVFXTYWH3FYIYKHXSKLXG3L \
  | 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: 53076a96f3c58fb2e11851ef252ee6dacf50f8799d643250892300cb6b4c367c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f75f041cfad13b67698b5edf020a7572b262f855ceb830b842e5c3eff81c4f9a",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-05-10T11:45:06Z",
    "title_canon_sha256": "ad770b97a51e2a21eeea6b3726cb54c2d27906862fc45ff498efb6fdfdfbc3d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2236",
    "kind": "arxiv",
    "version": 1
  }
}