Pith Number

pith:ZWX4SE4K

pith:2014:ZWX4SE4KVO3GZKZC2YFXAWY5P5

not attested not anchored not stored refs pending

The stable category of a left hereditary ring

Alex Martsinkovsky, Dali Zangurashvili

arxiv:1408.2904 v2 · 2014-08-13 · math.RA · math.CT · 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{ZWX4SE4KVO3GZKZC2YFXAWY5P5}

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	2026-05-18T02:30:08.000605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdafc9138aabb66cab22d60b705b1d7f631898f5d03e34a4f59bbb5cf3e298a7

Aliases

arxiv: 1408.2904 · arxiv_version: 1408.2904v2 · doi: 10.48550/arxiv.1408.2904 · pith_short_12: ZWX4SE4KVO3G · pith_short_16: ZWX4SE4KVO3GZKZC · pith_short_8: ZWX4SE4K

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/ZWX4SE4KVO3GZKZC2YFXAWY5P5 \
  | 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: cdafc9138aabb66cab22d60b705b1d7f631898f5d03e34a4f59bbb5cf3e298a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e146db15d4b413515605490108e9438e49a71e93d62433a0d3e96471d749db6a",
    "cross_cats_sorted": [
      "math.CT",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-08-13T03:03:43Z",
    "title_canon_sha256": "4dde265fb29f41e7f9b4bfb5b20abe0844d806c24030b9b934e78cfa84ff5e17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2904",
    "kind": "arxiv",
    "version": 2
  }
}