Pith Number

pith:GM2XLYP4

pith:2017:GM2XLYP4UIAJFCVVXMQ3VVBMMH

not attested not anchored not stored refs pending

A survey on quasiperiodic topology

Roberto De Leo

arxiv:1711.01716 v2 · 2017-11-06 · math.GT · 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{GM2XLYP4UIAJFCVVXMQ3VVBMMH}

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	2026-05-18T00:30:21.766708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

333575e1fca200928ab5bb21bad42c61f040590504834cf82c832e54f8e3f70c

Aliases

arxiv: 1711.01716 · arxiv_version: 1711.01716v2 · doi: 10.48550/arxiv.1711.01716 · pith_short_12: GM2XLYP4UIAJ · pith_short_16: GM2XLYP4UIAJFCVV · pith_short_8: GM2XLYP4

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/GM2XLYP4UIAJFCVVXMQ3VVBMMH \
  | 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: 333575e1fca200928ab5bb21bad42c61f040590504834cf82c832e54f8e3f70c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd8e494f048a3560907c4f06ab6fa41ab27a867ac8e61f3b621e54930112697e",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-11-06T03:54:18Z",
    "title_canon_sha256": "a8a3e1252bdceae137e2af5094ae551bc7f738773664d3910202829e650d3cab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01716",
    "kind": "arxiv",
    "version": 2
  }
}