Pith Number

pith:DJTBBPQV

pith:2015:DJTBBPQVNZXITVCVBIU2NZAB7C

not attested not anchored not stored refs pending

Affine Reduction of Dimensionality: An Origin-Centric Perspective

Robert L. Obenchain

arxiv:1504.03384 v1 · 2015-04-13 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJTBBPQVNZXITVCVBIU2NZAB7C}

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	2026-05-18T02:18:57.961267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a6610be156e6e89d4550a29a6e401f8bcdc060ddfe5e909f7e2b9b22621180c

Aliases

arxiv: 1504.03384 · arxiv_version: 1504.03384v1 · doi: 10.48550/arxiv.1504.03384 · pith_short_12: DJTBBPQVNZXI · pith_short_16: DJTBBPQVNZXITVCV · pith_short_8: DJTBBPQV

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/DJTBBPQVNZXITVCVBIU2NZAB7C \
  | 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: 1a6610be156e6e89d4550a29a6e401f8bcdc060ddfe5e909f7e2b9b22621180c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90b7c8b9119974eceb210759222bd85c071cd11f92fb4394b706d25fa6150dbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-04-13T22:38:47Z",
    "title_canon_sha256": "eee978d52d9ab75493647bb2a01f5d07dc8f30bd7062c747fc1da89433a4dbdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03384",
    "kind": "arxiv",
    "version": 1
  }
}