Pith Number

pith:KTAYK6VM

pith:2017:KTAYK6VMG4A5PJ43KBMADAHGVE

not attested not anchored not stored refs pending

A Quasi-isometric Embedding Algorithm

David W. Dreisigmeyer

arxiv:1709.01972 v3 · 2017-09-06 · stat.ML · cs.CG · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTAYK6VMG4A5PJ43KBMADAHGVE}

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	2026-05-18T00:31:23.554748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54c1857aac3701d7a79b50580180e6a9346c876b146ce1be9f39de2cb09ba143

Aliases

arxiv: 1709.01972 · arxiv_version: 1709.01972v3 · doi: 10.48550/arxiv.1709.01972 · pith_short_12: KTAYK6VMG4A5 · pith_short_16: KTAYK6VMG4A5PJ43 · pith_short_8: KTAYK6VM

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/KTAYK6VMG4A5PJ43KBMADAHGVE \
  | 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: 54c1857aac3701d7a79b50580180e6a9346c876b146ce1be9f39de2cb09ba143

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26e521879be680a8d38407f32fc807d1bdb5528ae73297bccd817b2becc6e893",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-09-06T19:35:02Z",
    "title_canon_sha256": "11d240e16c87b5f6383556f76410f71a66aad0741fbaca0d16103028d3a7a870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01972",
    "kind": "arxiv",
    "version": 3
  }
}