Pith Number

pith:U5BJ4RQ3

pith:2013:U5BJ4RQ3WIYBLWURMFQSM4OMMU

not attested not anchored not stored refs pending

On equivariant homeomorphisms of boundaries of CAT(0) groups and Coxeter groups

Tetsuya Hosaka

arxiv:1309.2518 v2 · 2013-09-10 · math.GR · math.DG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U5BJ4RQ3WIYBLWURMFQSM4OMMU}

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	2026-05-18T02:54:56.132627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7429e461bb23015da9161612671cc6500a22d74e615d8879ee67986d8de2476

Aliases

arxiv: 1309.2518 · arxiv_version: 1309.2518v2 · doi: 10.48550/arxiv.1309.2518 · pith_short_12: U5BJ4RQ3WIYB · pith_short_16: U5BJ4RQ3WIYBLWUR · pith_short_8: U5BJ4RQ3

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/U5BJ4RQ3WIYBLWURMFQSM4OMMU \
  | 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: a7429e461bb23015da9161612671cc6500a22d74e615d8879ee67986d8de2476

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d37b36a185baa7bce1540e222d2ed72aa49c8626b6d4114e228b3556af5996e",
    "cross_cats_sorted": [
      "math.DG",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-09-10T14:05:21Z",
    "title_canon_sha256": "a55911bfd9c2cd714366d783f9a8f6c7bf992ca92c7cbfd6e0b1d2bcc2c78fb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2518",
    "kind": "arxiv",
    "version": 2
  }
}