Pith Number

pith:DQL22ORJ

pith:2019:DQL22ORJOUZRZ54PYUQWHYLCP6

not attested not anchored not stored refs pending

Uniqueness of regular shrinkers with 2 closed regions

Jui-En Chang, Yang-Kai Lue

arxiv:1901.10315 v2 · 2019-01-29 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQL22ORJOUZRZ54PYUQWHYLCP6}

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	2026-05-17T23:54:15.094396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c17ad3a2975331cf78fc52163e1627fa0dffd2021e71fb48fac3bff9789569a

Aliases

arxiv: 1901.10315 · arxiv_version: 1901.10315v2 · doi: 10.48550/arxiv.1901.10315 · pith_short_12: DQL22ORJOUZR · pith_short_16: DQL22ORJOUZRZ54P · pith_short_8: DQL22ORJ

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/DQL22ORJOUZRZ54PYUQWHYLCP6 \
  | 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: 1c17ad3a2975331cf78fc52163e1627fa0dffd2021e71fb48fac3bff9789569a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "030eef19732efbfe5b71204788d635c171bb2fc40b4951a791f0bc2e4343cb9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-01-29T14:46:35Z",
    "title_canon_sha256": "ab7520d556c3f36995f9014697996f0d9f3e46561b15f8ef16a0cbb4e7dced21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10315",
    "kind": "arxiv",
    "version": 2
  }
}