Pith Number

pith:FTWMC67L

pith:2024:FTWMC67L7DJYKIU2VFSB53ZO2T

not attested not anchored not stored refs pending

Simultaneously nonvanishing higher derived limits

Chris Lambie-Hanson, Matteo Casarosa

arxiv:2411.15856 v2 · 2024-11-24 · math.LO · math.AT · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTWMC67L7DJYKIU2VFSB53ZO2T}

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

Higher limits of wider systems

Receipt and verification

First computed	2026-07-01T01:17:38.492901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cecc17bebf8d385229aa9641eef2ed4e71d29988c992548a2f8262538385489

Aliases

arxiv: 2411.15856 · arxiv_version: 2411.15856v2 · doi: 10.48550/arxiv.2411.15856 · pith_short_12: FTWMC67L7DJY · pith_short_16: FTWMC67L7DJYKIU2 · pith_short_8: FTWMC67L

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/FTWMC67L7DJYKIU2VFSB53ZO2T \
  | 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: 2cecc17bebf8d385229aa9641eef2ed4e71d29988c992548a2f8262538385489

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4857a0661ccc05faf826a9c5321917fbc66d70220ee94c8c1cd83565d90e46a5",
    "cross_cats_sorted": [
      "math.AT",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2024-11-24T14:20:56Z",
    "title_canon_sha256": "5eeb45512efb16ed0097db2fdb797fbd15fa2c9b38fa5b4a19b3a5eaf897ba57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.15856",
    "kind": "arxiv",
    "version": 2
  }
}