Pith Number

pith:DTIN2FWA

pith:2019:DTIN2FWAUDLMJOCAPGPFBFEFYH

not attested not anchored not stored refs pending

Active-set Newton methods and partial smoothness

Adrian S. Lewis, Calvin Wylie

arxiv:1902.00724 v1 · 2019-02-02 · 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{DTIN2FWAUDLMJOCAPGPFBFEFYH}

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	2026-05-17T23:54:52.358896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cd0dd16c0a0d6c4b840799e509485c1cda72c19e035cd01d89a8f965092495d

Aliases

arxiv: 1902.00724 · arxiv_version: 1902.00724v1 · doi: 10.48550/arxiv.1902.00724 · pith_short_12: DTIN2FWAUDLM · pith_short_16: DTIN2FWAUDLMJOCA · pith_short_8: DTIN2FWA

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/DTIN2FWAUDLMJOCAPGPFBFEFYH \
  | 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: 1cd0dd16c0a0d6c4b840799e509485c1cda72c19e035cd01d89a8f965092495d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "315ac3690d0dff18ef33e68df0c6734c2e534db399d685d8d1789c0fd8cea47d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-02-02T14:15:10Z",
    "title_canon_sha256": "e5a7d67ddef6813bc76a0fb2873cb25ff8395c79b011b6c88dd32afc1701c604"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00724",
    "kind": "arxiv",
    "version": 1
  }
}