Pith Number

pith:OWRSO46E

pith:2011:OWRSO46ERSITWVXT6QRUV74VAI

not attested not anchored not stored refs pending

Non-left-orderable double branched coverings

Tetsuya Ito

arxiv:1106.1499 v3 · 2011-06-08 · math.GT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OWRSO46ERSITWVXT6QRUV74VAI}

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	2026-05-18T02:41:50.492114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75a32773c48c913b56f3f4234aff950238760309b43171455c5c96f1eb33d565

Aliases

arxiv: 1106.1499 · arxiv_version: 1106.1499v3 · doi: 10.48550/arxiv.1106.1499 · pith_short_12: OWRSO46ERSIT · pith_short_16: OWRSO46ERSITWVXT · pith_short_8: OWRSO46E

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/OWRSO46ERSITWVXT6QRUV74VAI \
  | 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: 75a32773c48c913b56f3f4234aff950238760309b43171455c5c96f1eb33d565

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d47e8b0273896f160ea91fac7f80556a7fee0cf6a05588802fa824ae6eda59a7",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2011-06-08T05:05:56Z",
    "title_canon_sha256": "d57e698a91dd5ee26bceefb8501fe6e33b6ff6ff6d8f25d53ab84b8ee338b55c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1499",
    "kind": "arxiv",
    "version": 3
  }
}