Pith Number

pith:FFZGDYWY

pith:2026:FFZGDYWY4JHZ4VGLZUV4RMZWRR

not attested not anchored not stored refs pending

EML Trees Are Universal Approximators

Elie Abdo, Joe Germany, Joseph Bakarji

arxiv:2606.23179 v1 · 2026-06-22 · cs.LG · cs.NA · cs.NE · cs.SC · 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{FFZGDYWY4JHZ4VGLZUV4RMZWRR}

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	2026-06-23T03:14:12.289743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

297261e2d8e24f9e54cbcd2bc8b3368c6160e06a9a6718d28ec71244e01371de

Aliases

arxiv: 2606.23179 · arxiv_version: 2606.23179v1 · doi: 10.48550/arxiv.2606.23179 · pith_short_12: FFZGDYWY4JHZ · pith_short_16: FFZGDYWY4JHZ4VGL · pith_short_8: FFZGDYWY

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/FFZGDYWY4JHZ4VGLZUV4RMZWRR \
  | 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: 297261e2d8e24f9e54cbcd2bc8b3368c6160e06a9a6718d28ec71244e01371de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85821418b45f1ee2204cbf287e6e7c67aa5a3ae56d37ad8c98b4928ccfb152fd",
    "cross_cats_sorted": [
      "cs.NA",
      "cs.NE",
      "cs.SC",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-22T11:17:09Z",
    "title_canon_sha256": "40b0617d552c3214e32495ca6c5d8e006d7b631ff76a1d2420d5353d571d5139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23179",
    "kind": "arxiv",
    "version": 1
  }
}