Pith Number

pith:N3URL35U

pith:2011:N3URL35UFWJOLQGH4H65U3NSCB

not attested not anchored not stored refs pending

Relative Commutator Theory in Semi-Abelian Categories

Tim Van der Linden, Tomas Everaert

arxiv:1108.3909 v1 · 2011-08-19 · math.CT · 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{N3URL35UFWJOLQGH4H65U3NSCB}

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	2026-05-18T03:54:50.181053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ee915efb42d92e5c0c7e1fdda6db21044b6ba8bfbe6c39771e12f7fbd19dfb1

Aliases

arxiv: 1108.3909 · arxiv_version: 1108.3909v1 · doi: 10.48550/arxiv.1108.3909 · pith_short_12: N3URL35UFWJO · pith_short_16: N3URL35UFWJOLQGH · pith_short_8: N3URL35U

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/N3URL35UFWJOLQGH4H65U3NSCB \
  | 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: 6ee915efb42d92e5c0c7e1fdda6db21044b6ba8bfbe6c39771e12f7fbd19dfb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7acce31cf55469d89d9ac83bdabdd93d1f7159089f057867b2ab9b97f29671b",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2011-08-19T07:33:40Z",
    "title_canon_sha256": "82b847bc13de1eeb64d5bacf525c2ceaa0ed1f9791e2c39e6e9c5d21303abd49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3909",
    "kind": "arxiv",
    "version": 1
  }
}