Pith Number

pith:PC7RH3CI

pith:2014:PC7RH3CISQLNGHPVJIEX7IHQQ7

not attested not anchored not stored refs pending

The cohomology ring of the 12-dimensional Fomin-Kirillov algebra

Cristian Vay, Dragos Stefan

arxiv:1404.5101 v3 · 2014-04-21 · math.QA · math.KT · 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{PC7RH3CISQLNGHPVJIEX7IHQQ7}

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	2026-05-18T01:21:16.296216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78bf13ec489416d31df54a097fa0f087cfd714769c397a2628c998948c8e53ed

Aliases

arxiv: 1404.5101 · arxiv_version: 1404.5101v3 · doi: 10.48550/arxiv.1404.5101 · pith_short_12: PC7RH3CISQLN · pith_short_16: PC7RH3CISQLNGHPV · pith_short_8: PC7RH3CI

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/PC7RH3CISQLNGHPVJIEX7IHQQ7 \
  | 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: 78bf13ec489416d31df54a097fa0f087cfd714769c397a2628c998948c8e53ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d8a2972528fb6c535c45e74e3a79669c58c6dddee5e86f9c1062a7c3d2fda50",
    "cross_cats_sorted": [
      "math.KT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2014-04-21T03:51:56Z",
    "title_canon_sha256": "5d3dd4e0b2cd8d92009c2c3eddf689cd90a83076c9c4746bb4f31d9c8622ecb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5101",
    "kind": "arxiv",
    "version": 3
  }
}