Pith Number

pith:4B3C7NRS

pith:2013:4B3C7NRSWUH7RQG6OROEICAGIT

not attested not anchored not stored refs pending

Switched linear encoding with rectified linear autoencoders

Craig Corcoran, Leif Johnson

arxiv:1301.3753 v2 · 2013-01-16 · 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{4B3C7NRSWUH7RQG6OROEICAGIT}

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	2026-05-18T03:36:03.771779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0762fb632b50ff8c0de745c44080644fe3116bdf397e6843d29a83fcba24b07

Aliases

arxiv: 1301.3753 · arxiv_version: 1301.3753v2 · doi: 10.48550/arxiv.1301.3753 · pith_short_12: 4B3C7NRSWUH7 · pith_short_16: 4B3C7NRSWUH7RQG6 · pith_short_8: 4B3C7NRS

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/4B3C7NRSWUH7RQG6OROEICAGIT \
  | 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: e0762fb632b50ff8c0de745c44080644fe3116bdf397e6843d29a83fcba24b07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8a35a1221d1e107ee13b791cdd98f063e8576fd7293a2f38a3b0b5c31fde0e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-01-16T17:04:10Z",
    "title_canon_sha256": "c0dc753c535c658c77cb93d588eb5c4ae5c8cd068cd76c4d61e3ad558ecf2282"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3753",
    "kind": "arxiv",
    "version": 2
  }
}