Pith Number

pith:WY77XNRK

pith:2014:WY77XNRKAPVIRDQJS7MIXBGZ2Z

not attested not anchored not stored refs pending

Polyfolds, Cobordisms, and the strong Weinstein conjecture

Kai Zehmisch, Stefan Suhr

arxiv:1411.5016 v2 · 2014-11-18 · math.SG · math.AP · 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{WY77XNRKAPVIRDQJS7MIXBGZ2Z}

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	2026-05-18T01:01:49.581432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b63ffbb62a03ea888e0997d88b84d9d661e7d3eb370e8fcc73576ade3a2af253

Aliases

arxiv: 1411.5016 · arxiv_version: 1411.5016v2 · doi: 10.48550/arxiv.1411.5016 · pith_short_12: WY77XNRKAPVI · pith_short_16: WY77XNRKAPVIRDQJ · pith_short_8: WY77XNRK

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/WY77XNRKAPVIRDQJS7MIXBGZ2Z \
  | 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: b63ffbb62a03ea888e0997d88b84d9d661e7d3eb370e8fcc73576ade3a2af253

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ed082c2f52e8ef52ca4c64ac1f070ee30cece2616d5fdbf66981c2e353452fc",
    "cross_cats_sorted": [
      "math.AP",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-11-18T19:49:49Z",
    "title_canon_sha256": "e0d015c1d0227ee5608208ad7d531423959251717863d719dbf6f968a3b0e2d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5016",
    "kind": "arxiv",
    "version": 2
  }
}