Pith Number

pith:NKKUBTUS

pith:2010:NKKUBTUS3ILVJCFQBYPX7JGNOI

not attested not anchored not stored refs pending

New Examples of Compact Manifolds with Holonomy Spin(7)

Robert Clancy

arxiv:1012.3571 v1 · 2010-12-16 · 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{NKKUBTUS3ILVJCFQBYPX7JGNOI}

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	2026-05-18T04:04:31.163848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a9540ce92da175488b00e1f7fa4cd72138c39d7f9d12466a2c7ce5543194a99

Aliases

arxiv: 1012.3571 · arxiv_version: 1012.3571v1 · doi: 10.48550/arxiv.1012.3571 · pith_short_12: NKKUBTUS3ILV · pith_short_16: NKKUBTUS3ILVJCFQ · pith_short_8: NKKUBTUS

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/NKKUBTUS3ILVJCFQBYPX7JGNOI \
  | 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: 6a9540ce92da175488b00e1f7fa4cd72138c39d7f9d12466a2c7ce5543194a99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a94bcdaf8d41dc4501dbc6a2a96a1d2d5dceae4df9bb55e949a3dd7469abb3e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-12-16T11:48:42Z",
    "title_canon_sha256": "22ce2ef44f98790e3db1c9bacdb5e5c19c64c51972ce1ab7b825593d8a09311c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3571",
    "kind": "arxiv",
    "version": 1
  }
}