Pith Number

pith:KCRNDSWO

pith:2015:KCRNDSWOM34O6T644PGCAI6Z2X

not attested not anchored not stored refs pending

Derived invariance of support varieties

Chrysostomos Psaroudakis, Julian K\"ulshammer, {\O}ystein Skarts{\ae}terhagen

arxiv:1502.04880 v2 · 2015-02-17 · math.RT · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KCRNDSWOM34O6T644PGCAI6Z2X}

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	2026-05-18T01:14:18.236505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50a2d1cace66f8ef4fdce3cc2023d9d5ee8d764f330aaa32c35152f49308a1e2

Aliases

arxiv: 1502.04880 · arxiv_version: 1502.04880v2 · doi: 10.48550/arxiv.1502.04880 · pith_short_12: KCRNDSWOM34O · pith_short_16: KCRNDSWOM34O6T64 · pith_short_8: KCRNDSWO

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/KCRNDSWOM34O6T644PGCAI6Z2X \
  | 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: 50a2d1cace66f8ef4fdce3cc2023d9d5ee8d764f330aaa32c35152f49308a1e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df504fbd1e0c87892a98e72ef681681357b227e508818fb29f5e74c8fd01fc70",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2015-02-17T13:06:22Z",
    "title_canon_sha256": "69027fc0be77aee26497b99254c2ff84a3a6d44de1ce5abfabea7fc3f1f28f4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04880",
    "kind": "arxiv",
    "version": 2
  }
}