Pith Number

pith:G2QKYWCF

pith:2016:G2QKYWCF66RZC5SDPZ6FOCZLCO

not attested not anchored not stored refs pending

Iterative regularization via dual diagonal descent

Guillaume Garrigos, Lorenzo Rosasco, Silvia Villa

arxiv:1610.02170 v3 · 2016-10-07 · 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{G2QKYWCF66RZC5SDPZ6FOCZLCO}

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	2026-05-18T00:38:42.043115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36a0ac5845f7a39176437e7c570b2b139c3742671f0bfdc2d09584337818c62c

Aliases

arxiv: 1610.02170 · arxiv_version: 1610.02170v3 · doi: 10.48550/arxiv.1610.02170 · pith_short_12: G2QKYWCF66RZ · pith_short_16: G2QKYWCF66RZC5SD · pith_short_8: G2QKYWCF

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/G2QKYWCF66RZC5SDPZ6FOCZLCO \
  | 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: 36a0ac5845f7a39176437e7c570b2b139c3742671f0bfdc2d09584337818c62c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ca7ed0fd3e4b0e1b11334e521fe96bf83181bb9a872765da9706deb21a34059",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-10-07T07:58:05Z",
    "title_canon_sha256": "9115ac74132f39a490ddb827ed43179324b9f3d27fd86f4c59cdd5d20bfa2ba3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.02170",
    "kind": "arxiv",
    "version": 3
  }
}