Pith Number

pith:4NT7KTC6

pith:2017:4NT7KTC6CUV5GEMDJ6GP7LJ7VA

not attested not anchored not stored refs pending

The singular locus of semisimple Hessenberg varieties

Erik Insko, Martha Precup

arxiv:1709.05423 v1 · 2017-09-15 · 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{4NT7KTC6CUV5GEMDJ6GP7LJ7VA}

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	2026-05-18T00:35:00.812693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e367f54c5e152bd311834f8cffad3fa833bf1b3c7086bb3b5403d0ab71810515

Aliases

arxiv: 1709.05423 · arxiv_version: 1709.05423v1 · doi: 10.48550/arxiv.1709.05423 · pith_short_12: 4NT7KTC6CUV5 · pith_short_16: 4NT7KTC6CUV5GEMD · pith_short_8: 4NT7KTC6

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/4NT7KTC6CUV5GEMDJ6GP7LJ7VA \
  | 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: e367f54c5e152bd311834f8cffad3fa833bf1b3c7086bb3b5403d0ab71810515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1ffc459fdfc78b6bfbe00698f4bc1623a58c62cd526debdaab4a97ffa4ac24a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-09-15T21:59:06Z",
    "title_canon_sha256": "22a257d9cb74920bb74bfc78d7747eaf91b112b64d6956895d848be56c6acf73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05423",
    "kind": "arxiv",
    "version": 1
  }
}