Pith Number

pith:AICOLFWZ

pith:2013:AICOLFWZLR7Y6ODMB7PGOEEVTO

not attested not anchored not stored refs pending

Homotopy fixed points for profinite groups emulate homotopy fixed points for discrete groups

Daniel G. Davis

arxiv:1311.7445 v1 · 2013-11-28 · 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{AICOLFWZLR7Y6ODMB7PGOEEVTO}

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	2026-05-18T03:05:56.222756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0204e596d95c7f8f386c0fde6710959b8bf6ce56a9002638a1e9377e3eaa6537

Aliases

arxiv: 1311.7445 · arxiv_version: 1311.7445v1 · doi: 10.48550/arxiv.1311.7445 · pith_short_12: AICOLFWZLR7Y · pith_short_16: AICOLFWZLR7Y6ODM · pith_short_8: AICOLFWZ

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/AICOLFWZLR7Y6ODMB7PGOEEVTO \
  | 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: 0204e596d95c7f8f386c0fde6710959b8bf6ce56a9002638a1e9377e3eaa6537

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc279ab17cd3cef5098158b3a9abdf24bc13d756efdeb60b16dc0c4d7eecdaf6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-11-28T23:50:57Z",
    "title_canon_sha256": "64bce5072c29319ee2d3d9f42fa371bbd74014cb64931334142bcf18303eab35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7445",
    "kind": "arxiv",
    "version": 1
  }
}