Pith Number

pith:QYHSIOMG

pith:2023:QYHSIOMGFVXAUQAQYFDLCH7RUO

not attested not anchored not stored refs pending

Learning Fractals by Gradient Descent

Cheng-Hao Tu, David Carlyn, Hong-You Chen, Wei-Lun Chao

arxiv:2303.12722 v1 · 2023-03-14 · cs.CV · 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{QYHSIOMGFVXAUQAQYFDLCH7RUO}

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	2026-07-05T05:53:44.316089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

860f2439862d6e0a4010c146b11ff1a3a3d7fb11162ab8eb8d241b8bce6d6857

Aliases

arxiv: 2303.12722 · arxiv_version: 2303.12722v1 · doi: 10.48550/arxiv.2303.12722 · pith_short_12: QYHSIOMGFVXA · pith_short_16: QYHSIOMGFVXAUQAQ · pith_short_8: QYHSIOMG

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/QYHSIOMGFVXAUQAQYFDLCH7RUO \
  | 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: 860f2439862d6e0a4010c146b11ff1a3a3d7fb11162ab8eb8d241b8bce6d6857

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca1387d71e4fe8990a28b06f872015047322000d80bd3cb074d44a6c75715a34",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-03-14T17:20:25Z",
    "title_canon_sha256": "8c43298860c4cdad0b11ea138c65866817cadefa5242e340590c93e807f935b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.12722",
    "kind": "arxiv",
    "version": 1
  }
}