Pith Number

pith:EF3ESFQ4

pith:2016:EF3ESFQ4RD675XLPGTNQQY6TUR

not attested not anchored not stored refs pending

Inequalities for the Casorati curvatures of real hypersurfaces in some Grassmannians

Kwang-Soon Park

arxiv:1612.01754 v1 · 2016-12-06 · 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{EF3ESFQ4RD675XLPGTNQQY6TUR}

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	2026-05-18T00:55:47.681276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

217649161c88fdfedd6f34db0863d3a4788f45e469f66fc580936e076d71913f

Aliases

arxiv: 1612.01754 · arxiv_version: 1612.01754v1 · doi: 10.48550/arxiv.1612.01754 · pith_short_12: EF3ESFQ4RD67 · pith_short_16: EF3ESFQ4RD675XLP · pith_short_8: EF3ESFQ4

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/EF3ESFQ4RD675XLPGTNQQY6TUR \
  | 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: 217649161c88fdfedd6f34db0863d3a4788f45e469f66fc580936e076d71913f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08b6f9a47e48b39ce22fb09e5da4276362c1711f61591c7d340c4660708a414e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-12-06T11:14:08Z",
    "title_canon_sha256": "cee83a0b22873af329042e273fd70ae7367c60969f61ddf5536ac7d8bafb3596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01754",
    "kind": "arxiv",
    "version": 1
  }
}