Pith Number

pith:YZYEJ2UO

pith:2014:YZYEJ2UOHNMOULDEOZVNTEYL3N

not attested not anchored not stored refs pending

The strong Kervaire invariant problem in dimension 62

Zhouli Xu

arxiv:1410.6199 v1 · 2014-10-22 · math.AT · 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{YZYEJ2UOHNMOULDEOZVNTEYL3N}

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	2026-05-18T01:10:54.612485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c67044ea8e3b58ea2c64766ad9930bdb75b5a3445defcb01a04a382e376e4351

Aliases

arxiv: 1410.6199 · arxiv_version: 1410.6199v1 · doi: 10.48550/arxiv.1410.6199 · pith_short_12: YZYEJ2UOHNMO · pith_short_16: YZYEJ2UOHNMOULDE · pith_short_8: YZYEJ2UO

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/YZYEJ2UOHNMOULDEOZVNTEYL3N \
  | 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: c67044ea8e3b58ea2c64766ad9930bdb75b5a3445defcb01a04a382e376e4351

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2980893f4d790660f87047e91019493bde3980008cf1b96e47336ab6d9f481cd",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-10-22T21:34:16Z",
    "title_canon_sha256": "6035b84dfa0f55b51421a552312bab4f6c702975a39a7ea28ae0d7b1ccf409de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.6199",
    "kind": "arxiv",
    "version": 1
  }
}