Pith Number

pith:3A7NKJMF

pith:2012:3A7NKJMFABCMUNPG4UXCB6EBP3

not attested not anchored not stored refs pending

On the acceleration of the double smoothing technique for unconstrained convex optimization problems

Christopher Hendrich, Radu Ioan Bot

arxiv:1205.0721 v1 · 2012-05-03 · 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{3A7NKJMFABCMUNPG4UXCB6EBP3}

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	2026-05-18T03:56:25.155249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d83ed525850044ca35e6e52e20f8817eccb8c98999867896b62efa1599fc04ef

Aliases

arxiv: 1205.0721 · arxiv_version: 1205.0721v1 · doi: 10.48550/arxiv.1205.0721 · pith_short_12: 3A7NKJMFABCM · pith_short_16: 3A7NKJMFABCMUNPG · pith_short_8: 3A7NKJMF

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/3A7NKJMFABCMUNPG4UXCB6EBP3 \
  | 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: d83ed525850044ca35e6e52e20f8817eccb8c98999867896b62efa1599fc04ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54a69dfb9f8f1451f42054721e775e0a3eefa0317d04a7935b4da3b2555fd8e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-05-03T14:22:03Z",
    "title_canon_sha256": "40844bda86607019eb3ad4c6f8c62be054aed8ee1d347e7df9d5ef67f04d16e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0721",
    "kind": "arxiv",
    "version": 1
  }
}