Pith Number

pith:FBKR5WLH

pith:2016:FBKR5WLHIMQQRQ7XYEC5DM6E44

not attested not anchored not stored refs pending

On the fibrewise effective Burnside $\infty$-category

Clark Barwick, Saul Glasman

arxiv:1607.02786 v1 · 2016-07-10 · math.CT · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBKR5WLHIMQQRQ7XYEC5DM6E44}

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	2026-05-18T01:11:16.143300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28551ed967432108c3f7c105d1b3c4e73d096d711dd494b68b1b7f591966d597

Aliases

arxiv: 1607.02786 · arxiv_version: 1607.02786v1 · doi: 10.48550/arxiv.1607.02786 · pith_short_12: FBKR5WLHIMQQ · pith_short_16: FBKR5WLHIMQQRQ7X · pith_short_8: FBKR5WLH

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/FBKR5WLHIMQQRQ7XYEC5DM6E44 \
  | 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: 28551ed967432108c3f7c105d1b3c4e73d096d711dd494b68b1b7f591966d597

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8656d452cd7c26ebe02ee80340ef9085f9a59a8f9a83d02a2ca5e6d9917866a",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2016-07-10T21:29:39Z",
    "title_canon_sha256": "7358a331025988629ea6ec920f6791abef7cf4867cf9c4fe5b48f65369fdae11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02786",
    "kind": "arxiv",
    "version": 1
  }
}