Pith Number

pith:7BTMGDXY

pith:2019:7BTMGDXY2QNIRYUIJPU7M4IU2N

not attested not anchored not stored refs pending

Exhausting Curve Complexes by Finite Superrigid Sets on Nonorientable Surfaces

Elmas Irmak

arxiv:1903.04926 v1 · 2019-03-11 · 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{7BTMGDXY2QNIRYUIJPU7M4IU2N}

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	2026-05-17T23:50:54.884284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f866c30ef8d41a88e2884be9f67114d347f341346d4e95018af9d17954a9ac09

Aliases

arxiv: 1903.04926 · arxiv_version: 1903.04926v1 · doi: 10.48550/arxiv.1903.04926 · pith_short_12: 7BTMGDXY2QNI · pith_short_16: 7BTMGDXY2QNIRYUI · pith_short_8: 7BTMGDXY

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/7BTMGDXY2QNIRYUIJPU7M4IU2N \
  | 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: f866c30ef8d41a88e2884be9f67114d347f341346d4e95018af9d17954a9ac09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41d5fedda88bd057565808861adfacb7b78ac9399078ec297d32182331c56d00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2019-03-11T16:23:07Z",
    "title_canon_sha256": "7367a380289d9ea87442c4f12db4c6ed826c5f647ef752f7208045ee94bf2fe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04926",
    "kind": "arxiv",
    "version": 1
  }
}