Pith Number

pith:YL7RWKN6

pith:2016:YL7RWKN6N33GMYDV4ZTOX2REMG

not attested not anchored not stored refs pending

Non existence of Type II singularities for embedded and unknotted space curves

Karen Corrales

arxiv:1605.03100 v1 · 2016-05-10 · 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{YL7RWKN6N33GMYDV4ZTOX2REMG}

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	2026-05-18T01:15:07.598678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2ff1b29be6ef6666075e666ebea2461902799e5e68b276e0004029cefccf6a3

Aliases

arxiv: 1605.03100 · arxiv_version: 1605.03100v1 · doi: 10.48550/arxiv.1605.03100 · pith_short_12: YL7RWKN6N33G · pith_short_16: YL7RWKN6N33GMYDV · pith_short_8: YL7RWKN6

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/YL7RWKN6N33GMYDV4ZTOX2REMG \
  | 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: c2ff1b29be6ef6666075e666ebea2461902799e5e68b276e0004029cefccf6a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e08bdb427961c76125f23636b062b731291d942d514ac042253803bba5cfa0fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-05-10T16:55:08Z",
    "title_canon_sha256": "2f397df225ce71ff0daddbca2f3a8c7066a466017f4dad269e72eb27f9652e73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03100",
    "kind": "arxiv",
    "version": 1
  }
}