Pith Number

pith:UGJVGPAH

pith:2014:UGJVGPAHJE4S3SOGNMUBSZMIOR

not attested not anchored not stored refs pending

On the simplicity of homeomorphism groups of a tilable lamination

Jos\'e Aliste-Prieto, Samuel Petite (LAMFA)

arxiv:1408.1337 v1 · 2014-08-06 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGJVGPAHJE4S3SOGNMUBSZMIOR}

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	2026-05-18T02:45:41.525710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a193533c0749392dc9c66b281965887467488377dbf4ec472192ff0ccca3194c

Aliases

arxiv: 1408.1337 · arxiv_version: 1408.1337v1 · doi: 10.48550/arxiv.1408.1337 · pith_short_12: UGJVGPAHJE4S · pith_short_16: UGJVGPAHJE4S3SOG · pith_short_8: UGJVGPAH

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/UGJVGPAHJE4S3SOGNMUBSZMIOR \
  | 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: a193533c0749392dc9c66b281965887467488377dbf4ec472192ff0ccca3194c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa523634d45d590db9adf63ba7859273bdb231e88c8cf2b3d037ba89a98917bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-08-06T15:52:54Z",
    "title_canon_sha256": "a16e71fd429e2c3b84e48ab79ee56e39bd805115ac4f96c826079f6189174465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1337",
    "kind": "arxiv",
    "version": 1
  }
}