Pith Number

pith:UWQBVZS7

pith:2011:UWQBVZS7TFUKLSEYXEPCSYMAW5

not attested not anchored not stored refs pending

Homotopy categories and idempotent completeness, weight structures and weight complex functors

Olaf M. Schn\"urer

arxiv:1107.1227 v1 · 2011-07-06 · math.CT · math.AG · math.KT · 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{UWQBVZS7TFUKLSEYXEPCSYMAW5}

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.

Cited by

1 paper in Pith

Unbounded Weight Structures: (Re)construction and Completion

Receipt and verification

First computed	2026-05-18T04:18:45.300554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5a01ae65f9968a5c898b91e296180b76657c5193ce8e742925343883c816707

Aliases

arxiv: 1107.1227 · arxiv_version: 1107.1227v1 · doi: 10.48550/arxiv.1107.1227 · pith_short_12: UWQBVZS7TFUK · pith_short_16: UWQBVZS7TFUKLSEY · pith_short_8: UWQBVZS7

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/UWQBVZS7TFUKLSEYXEPCSYMAW5 \
  | 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: a5a01ae65f9968a5c898b91e296180b76657c5193ce8e742925343883c816707

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfd917570be373dcf822b714db60055b753c47e4ffe4fec39640a58e0af7a2ae",
    "cross_cats_sorted": [
      "math.AG",
      "math.KT",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2011-07-06T19:41:26Z",
    "title_canon_sha256": "1cc04d0ba5754672aae535839e1e146255bd4ed0cda8571cd864911c4b1a78e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1227",
    "kind": "arxiv",
    "version": 1
  }
}