Pith Number

pith:DNDHAZCM

pith:2021:DNDHAZCM776C5EBL6JOVRWJNLJ

not attested not anchored not stored refs pending

On a Conjecture Regarding the Adam Optimizer

Douglas Tweed, Mohamed Akrout

arxiv:2111.08162 v4 · 2021-11-16 · 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{DNDHAZCM776C5EBL6JOVRWJNLJ}

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	2026-07-05T04:55:50.187689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b4670644cfffc2e902bf25d58d92d5a6fe25a547aa1c353d538837f1ec45a10

Aliases

arxiv: 2111.08162 · arxiv_version: 2111.08162v4 · doi: 10.48550/arxiv.2111.08162 · pith_short_12: DNDHAZCM776C · pith_short_16: DNDHAZCM776C5EBL · pith_short_8: DNDHAZCM

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/DNDHAZCM776C5EBL6JOVRWJNLJ \
  | 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: 1b4670644cfffc2e902bf25d58d92d5a6fe25a547aa1c353d538837f1ec45a10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99eca7cb012b2e9f1df7da679e870a0254896e0c903a2f19fc0458cfbc6b4188",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-16T00:51:22Z",
    "title_canon_sha256": "3f8646be75aeda0a5ef3fcd73b536307b83041f8d5e8240db9a94ce8bd40ce1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.08162",
    "kind": "arxiv",
    "version": 4
  }
}