Pith Number

pith:2HNLNFNR

pith:2017:2HNLNFNREV7TDCHPQG7TU2VTS3

not attested not anchored not stored refs pending

The stable converse soul question for positively curved homogeneous spaces

David Gonz\'alez-\'Alvaro, Marcus Zibrowius

arxiv:1707.04711 v1 · 2017-07-15 · math.DG · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HNLNFNREV7TDCHPQG7TU2VTS3}

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	2026-05-18T00:40:12.499057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1dab695b1257f3188ef81bf3a6ab396f35e5adbcf545f0456a258d61355801e

Aliases

arxiv: 1707.04711 · arxiv_version: 1707.04711v1 · doi: 10.48550/arxiv.1707.04711 · pith_short_12: 2HNLNFNREV7T · pith_short_16: 2HNLNFNREV7TDCHP · pith_short_8: 2HNLNFNR

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/2HNLNFNREV7TDCHPQG7TU2VTS3 \
  | 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: d1dab695b1257f3188ef81bf3a6ab396f35e5adbcf545f0456a258d61355801e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34150d80bea77435432dc178a125a8f5d2c98a5f7aac2c0c3e98a217d41f4b48",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-07-15T09:05:38Z",
    "title_canon_sha256": "482fe5bac0105c56d1fe24c19f3542f296907bce572559a686e9eed700ac9a79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04711",
    "kind": "arxiv",
    "version": 1
  }
}