Pith Number

pith:O7O2BACI

pith:2017:O7O2BACINY6QLXZL5DRNGULI6Z

not attested not anchored not stored refs pending

Observable dictionary learning for high-dimensional statistical inference

Hisham Abou-Kandil, K\'evin Kasper, Lionel Mathelin

arxiv:1702.05289 v2 · 2017-02-17 · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O7O2BACINY6QLXZL5DRNGULI6Z}

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	2026-05-18T00:47:56.442491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77dda080486e3d05df2be8e2d35168f668420d68277cbc02b245b7b076d95ef5

Aliases

arxiv: 1702.05289 · arxiv_version: 1702.05289v2 · doi: 10.48550/arxiv.1702.05289 · pith_short_12: O7O2BACINY6Q · pith_short_16: O7O2BACINY6QLXZL · pith_short_8: O7O2BACI

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/O7O2BACINY6QLXZL5DRNGULI6Z \
  | 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: 77dda080486e3d05df2be8e2d35168f668420d68277cbc02b245b7b076d95ef5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cad15c17b2af1045b14807236b8e830cd630ed28223bbd04228a73f7376103f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-02-17T10:25:24Z",
    "title_canon_sha256": "bd768333b5264742d5c6e8c6ce76efd6c2319de8d879643cd3c05108c98af4d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05289",
    "kind": "arxiv",
    "version": 2
  }
}