Pith Number

pith:VDY4XY6Z

pith:2022:VDY4XY6ZOIWVJ6PE3E2NU7TFPF

not attested not anchored not stored refs pending

Engineering flexible machine learning systems by traversing functionally-invariant paths

Bahey Tharwat, Dhruvil Satani, Guruprasad Raghavan, Matt Thomson, Surya Narayanan Hari

arxiv:2205.00334 v4 · 2022-04-30 · cs.LG · cs.AI · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VDY4XY6ZOIWVJ6PE3E2NU7TFPF}

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	2026-07-05T06:47:12.832486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8f1cbe3d9722d54f9e4d934da7e65797a6112d46586b28fa66aa3c93b9ae2e8

Aliases

arxiv: 2205.00334 · arxiv_version: 2205.00334v4 · doi: 10.48550/arxiv.2205.00334 · pith_short_12: VDY4XY6ZOIWV · pith_short_16: VDY4XY6ZOIWVJ6PE · pith_short_8: VDY4XY6Z

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/VDY4XY6ZOIWVJ6PE3E2NU7TFPF \
  | 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: a8f1cbe3d9722d54f9e4d934da7e65797a6112d46586b28fa66aa3c93b9ae2e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e5779233b9b6c40393943ae2c06f111ed67ad18aa18eee42ae32adfa4dcfd9f",
    "cross_cats_sorted": [
      "cs.AI",
      "math.DG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-04-30T19:44:56Z",
    "title_canon_sha256": "6812fed049d7428817b1f4b65bf700409c043e817e7d45eca3231319dd3c8745"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.00334",
    "kind": "arxiv",
    "version": 4
  }
}