Pith Number

pith:IGW6JCSV

pith:2018:IGW6JCSV5N7GKBS4RRXBWZST2R

not attested not anchored not stored refs pending

Chen ranks and resonance varieties of the upper McCool groups

Alexander I. Suciu, He Wang

arxiv:1804.06006 v2 · 2018-04-17 · math.GR · math.AG · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IGW6JCSV5N7GKBS4RRXBWZST2R}

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	2026-05-17T23:39:41.878495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41ade48a55eb7e65065c8c6e1b6653d456200621e306653a5451add0db08c526

Aliases

arxiv: 1804.06006 · arxiv_version: 1804.06006v2 · doi: 10.48550/arxiv.1804.06006 · pith_short_12: IGW6JCSV5N7G · pith_short_16: IGW6JCSV5N7GKBS4 · pith_short_8: IGW6JCSV

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/IGW6JCSV5N7GKBS4RRXBWZST2R \
  | 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: 41ade48a55eb7e65065c8c6e1b6653d456200621e306653a5451add0db08c526

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0845b110d81db5dbcdedc17521ef93c3e77c5b89cc82b6d984a4d19ecd4575f",
    "cross_cats_sorted": [
      "math.AG",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-04-17T01:26:10Z",
    "title_canon_sha256": "7fdbbdf9e16d762b3a37e8b99e900db7700d64d111f217a46cbfb05fdf063d3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06006",
    "kind": "arxiv",
    "version": 2
  }
}