Pith Number

pith:TRBM2IT6

pith:2014:TRBM2IT6QN4C6RUVMHO5ZHC7T3

not attested not anchored not stored refs pending

The homotopy type of spaces of coprime polynomials revisited

Andrzej Kozlowski, Kohhei Yamaguchi

arxiv:1405.0662 v2 · 2014-05-04 · 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{TRBM2IT6QN4C6RUVMHO5ZHC7T3}

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	2026-05-18T02:32:00.015706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c42cd227e83782f469561dddc9c5f9ee2446d13690753684a0f9550cced5e81

Aliases

arxiv: 1405.0662 · arxiv_version: 1405.0662v2 · doi: 10.48550/arxiv.1405.0662 · pith_short_12: TRBM2IT6QN4C · pith_short_16: TRBM2IT6QN4C6RUV · pith_short_8: TRBM2IT6

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/TRBM2IT6QN4C6RUVMHO5ZHC7T3 \
  | 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: 9c42cd227e83782f469561dddc9c5f9ee2446d13690753684a0f9550cced5e81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35c88364d57abc650f1ba90fd2da1f84f450321a4fd393b3329389d31e65ba08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-05-04T07:56:19Z",
    "title_canon_sha256": "2da5ba4417f07f3472a9085c3651b6e35eaba1b8e1ecd8a441fe7f64077419b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0662",
    "kind": "arxiv",
    "version": 2
  }
}