Pith Number

pith:OC2YRR7R

pith:2018:OC2YRR7RROHE6YAFFWCHVULRTY

not attested not anchored not stored refs pending

Calculations with graded perverse-coherent sheaves

Pramod N. Achar, William D. Hardesty

arxiv:1806.07780 v2 · 2018-06-20 · 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{OC2YRR7RROHE6YAFFWCHVULRTY}

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	2026-05-17T23:51:49.282049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70b588c7f18b8e4f60052d847ad1719e39fd999b19c288b3479f6673a76f7c00

Aliases

arxiv: 1806.07780 · arxiv_version: 1806.07780v2 · doi: 10.48550/arxiv.1806.07780 · pith_short_12: OC2YRR7RROHE · pith_short_16: OC2YRR7RROHE6YAF · pith_short_8: OC2YRR7R

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/OC2YRR7RROHE6YAFFWCHVULRTY \
  | 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: 70b588c7f18b8e4f60052d847ad1719e39fd999b19c288b3479f6673a76f7c00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2288dd0e606be4e0cfb49993a8e7c0789d2263618827afa3784eae268733eb87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2018-06-20T15:04:03Z",
    "title_canon_sha256": "081ef894c4c16aaa11dbac62e910ea8a1339a41d0d91476056f33b683fcd8733"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07780",
    "kind": "arxiv",
    "version": 2
  }
}