Pith Number

pith:K6C2JBTV

pith:2017:K6C2JBTVZRLACKRKSMUQY4QTFN

not attested not anchored not stored refs pending

Cubatures on Grassmannians: moments, dimension reduction, and related topics

Anna Breger, Manuel Graef, Martin Ehler, Thomas Peter

arxiv:1705.02978 v1 · 2017-05-08 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K6C2JBTVZRLACKRKSMUQY4QTFN}

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	2026-05-18T00:15:52.577908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5785a48675cc56012a2a93290c72132b5eca7eab68a8c98fd1dcf85719295a6e

Aliases

arxiv: 1705.02978 · arxiv_version: 1705.02978v1 · doi: 10.48550/arxiv.1705.02978 · pith_short_12: K6C2JBTVZRLA · pith_short_16: K6C2JBTVZRLACKRK · pith_short_8: K6C2JBTV

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/K6C2JBTVZRLACKRKSMUQY4QTFN \
  | 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: 5785a48675cc56012a2a93290c72132b5eca7eab68a8c98fd1dcf85719295a6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9c9563fc29d7302a44a406ddc633106b6e63cdec90576a628e641079a4e7c4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-05-08T17:20:43Z",
    "title_canon_sha256": "58ba051487ee967c42f480a5cd3f1cbe6ea2fec89431a05fe9e40aa11fbc68f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02978",
    "kind": "arxiv",
    "version": 1
  }
}