Pith Number

pith:5LTCXO7G

pith:2017:5LTCXO7GIS4ITUCMEPGLKGXOUV

not attested not anchored not stored refs pending

Skew Calabi-Yau property of normal extensions

D.-M. Lu, G.-S. Zhou, Y. Shen

arxiv:1709.09292 v1 · 2017-09-27 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5LTCXO7GIS4ITUCMEPGLKGXOUV}

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	2026-05-18T00:34:12.286147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eae62bbbe644b889d04c23ccb51aeea55207c61ec879f32f83e992307af29b88

Aliases

arxiv: 1709.09292 · arxiv_version: 1709.09292v1 · doi: 10.48550/arxiv.1709.09292 · pith_short_12: 5LTCXO7GIS4I · pith_short_16: 5LTCXO7GIS4ITUCM · pith_short_8: 5LTCXO7G

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/5LTCXO7GIS4ITUCMEPGLKGXOUV \
  | 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: eae62bbbe644b889d04c23ccb51aeea55207c61ec879f32f83e992307af29b88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6229a10de60326596dbfc4f36b9c8c121c0e24ad9ba0ec8f8586586d238c58e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-09-27T00:26:53Z",
    "title_canon_sha256": "23b9dd241300bc083ad086b48dc568fd95957e7cea119e5c15e98d6c57ef5d72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09292",
    "kind": "arxiv",
    "version": 1
  }
}