Pith Number

pith:PD66NW3K

pith:2015:PD66NW3KKISXWWXUUVRNLQVMEP

not attested not anchored not stored refs pending

Splitting the relative assembly map, Nil-terms and involutions

Wolfgang Lueck, Wolfgang Steimle

arxiv:1501.02602 v2 · 2015-01-12 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PD66NW3KKISXWWXUUVRNLQVMEP}

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	2026-05-18T01:07:17.565758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78fde6db6a52257b5af4a562d5c2ac23ca973298c9c85ebec0a06060f3450c0c

Aliases

arxiv: 1501.02602 · arxiv_version: 1501.02602v2 · doi: 10.48550/arxiv.1501.02602 · pith_short_12: PD66NW3KKISX · pith_short_16: PD66NW3KKISXWWXU · pith_short_8: PD66NW3K

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/PD66NW3KKISXWWXUUVRNLQVMEP \
  | 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: 78fde6db6a52257b5af4a562d5c2ac23ca973298c9c85ebec0a06060f3450c0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac0656eded34248d9218123ed36cc89320572467f55fea216dd9831e388a0ee1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2015-01-12T11:11:41Z",
    "title_canon_sha256": "b49e7fe17625ed5c87db2f594d5e7b20050a9f7248f402a9361106f5a60e9d14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02602",
    "kind": "arxiv",
    "version": 2
  }
}