Pith Number

pith:WUBMNFWI

pith:2025:WUBMNFWIHYBQJXZ6G6Z2VRB4BM

not attested not anchored not stored refs pending

PoGO: A Scalable Proof of Useful Work via Quantized Gradient Descent and Merkle Proofs

Jos\'e I. Orlicki

arxiv:2504.07540 v2 · 2025-04-10 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WUBMNFWIHYBQJXZ6G6Z2VRB4BM}

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	2026-07-05T10:52:59.170523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b502c696c83e0304df3e37b3aac43c0b12377f691c13c2c3c9c263a0871f2cd2

Aliases

arxiv: 2504.07540 · arxiv_version: 2504.07540v2 · doi: 10.48550/arxiv.2504.07540 · pith_short_12: WUBMNFWIHYBQ · pith_short_16: WUBMNFWIHYBQJXZ6 · pith_short_8: WUBMNFWI

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/WUBMNFWIHYBQJXZ6G6Z2VRB4BM \
  | 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: b502c696c83e0304df3e37b3aac43c0b12377f691c13c2c3c9c263a0871f2cd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8584256de12e0f81f391c2a552cb8a6280651f1eaea87d5344f092e08b47b28",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-04-10T08:09:34Z",
    "title_canon_sha256": "07f3fdd33423b75862a2d1ee0b8ecdaf27d25596072c8825bf7629afae9204c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.07540",
    "kind": "arxiv",
    "version": 2
  }
}