Pith Number

pith:AWG4FZJT

pith:2019:AWG4FZJTOWMI2HSIS4DZN2HFVL

not attested not anchored not stored refs pending

Generation in singularity categories of hypersurfaces of countable representation type

Kei-ichiro Iima, Maiko Ono, Ryo Takahashi, Tokuji Araya

arxiv:1901.06636 v2 · 2019-01-20 · math.AC · 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{AWG4FZJTOWMI2HSIS4DZN2HFVL}

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	2026-05-17T23:40:03.895422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

058dc2e53375988d1e48970796e8e5aad11d3dacdd01434aef9c3a70208f5f28

Aliases

arxiv: 1901.06636 · arxiv_version: 1901.06636v2 · doi: 10.48550/arxiv.1901.06636 · pith_short_12: AWG4FZJTOWMI · pith_short_16: AWG4FZJTOWMI2HSI · pith_short_8: AWG4FZJT

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/AWG4FZJTOWMI2HSIS4DZN2HFVL \
  | 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: 058dc2e53375988d1e48970796e8e5aad11d3dacdd01434aef9c3a70208f5f28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "842f4d680ce70df16856b15d775b2a7228ef2a29ca82b32c02e33be198b33aa3",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2019-01-20T07:47:03Z",
    "title_canon_sha256": "c4b468ce43be9c43392671e6b5e968853e5b875645e1da1da76e31f1ef974730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06636",
    "kind": "arxiv",
    "version": 2
  }
}