Pith Number

pith:SWDQVHNG

pith:2009:SWDQVHNGO3XTHZRTSIBAY35N7D

not attested not anchored not stored refs pending

(Non-)Koszulness of operads for n-ary algebras, galgalim and other curiosities

Elisabeth Remm, Martin Markl

arxiv:0907.1505 v2 · 2009-07-09 · math.AT · 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{SWDQVHNGO3XTHZRTSIBAY35N7D}

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	2026-05-18T04:14:46.285249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95870a9da676ef33e63392020c6fadf8e5e2b9733c05e6bae8d8d19900a00171

Aliases

arxiv: 0907.1505 · arxiv_version: 0907.1505v2 · doi: 10.48550/arxiv.0907.1505 · pith_short_12: SWDQVHNGO3XT · pith_short_16: SWDQVHNGO3XTHZRT · pith_short_8: SWDQVHNG

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/SWDQVHNGO3XTHZRTSIBAY35N7D \
  | 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: 95870a9da676ef33e63392020c6fadf8e5e2b9733c05e6bae8d8d19900a00171

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "665b71cb1e2be612b1e44e72f3da6a1ab7cafe3cded9d1eb54e1db9237c6ef26",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2009-07-09T11:24:08Z",
    "title_canon_sha256": "576b55bffdaa44ab18b992bdd596f23ed30ffad680112c3db2d2bd270bfd686b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1505",
    "kind": "arxiv",
    "version": 2
  }
}