Pith Number

pith:PK2PPBDB

pith:2017:PK2PPBDBEV5UBCC7XI6IBC26M2

not attested not anchored not stored refs pending

Distributed Adaptive Gradient Optimization Algorithm

Peng Lin, Wei Ren

arxiv:1703.08896 v1 · 2017-03-27 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PK2PPBDBEV5UBCC7XI6IBC26M2}

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	2026-05-18T00:47:55.242390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ab4f78461257b40885fba3c808b5e6689b1b820064d6d2bf64de10dbf7dcdb8

Aliases

arxiv: 1703.08896 · arxiv_version: 1703.08896v1 · doi: 10.48550/arxiv.1703.08896 · pith_short_12: PK2PPBDBEV5U · pith_short_16: PK2PPBDBEV5UBCC7 · pith_short_8: PK2PPBDB

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/PK2PPBDBEV5UBCC7XI6IBC26M2 \
  | 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: 7ab4f78461257b40885fba3c808b5e6689b1b820064d6d2bf64de10dbf7dcdb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc5dbca590c54ecd65df8ce614bbebe0ec48c7873abc3843ddcc770af58be5fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-03-27T01:42:47Z",
    "title_canon_sha256": "aec6477250353883670cf7bf983e965f80b40d39c3c637c3e5b4813d9db4c2aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08896",
    "kind": "arxiv",
    "version": 1
  }
}