Pith Number

pith:7YLWN343

pith:2018:7YLWN343Z5AGPGNHZQAPVZF5LS

not attested not anchored not stored refs pending

Complexities and Representations of F-Borel Spaces

Vojt\v{e}ch Kova\v{r}\'ik

arxiv:1804.08367 v1 · 2018-04-23 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YLWN343Z5AGPGNHZQAPVZF5LS}

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	2026-05-18T00:17:48.630206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe1766ef9bcf406799a7cc00fae4bd5c93ef0671a617c089932ac748845ab68a

Aliases

arxiv: 1804.08367 · arxiv_version: 1804.08367v1 · doi: 10.48550/arxiv.1804.08367 · pith_short_12: 7YLWN343Z5AG · pith_short_16: 7YLWN343Z5AGPGNH · pith_short_8: 7YLWN343

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/7YLWN343Z5AGPGNHZQAPVZF5LS \
  | 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: fe1766ef9bcf406799a7cc00fae4bd5c93ef0671a617c089932ac748845ab68a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5686b5c0e5c365fc1866a6ac4dff7d8399813de95de0acca86cc41eab324dba0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-04-23T12:31:13Z",
    "title_canon_sha256": "ca3b17c12691407703e520a9dc6c20d93c3efb7a8d8953d5d1f45cd0d7a7bc58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08367",
    "kind": "arxiv",
    "version": 1
  }
}