Pith Number

pith:WZU2CQE4

pith:2018:WZU2CQE45QF4IMUMFTREDDP4BW

not attested not anchored not stored refs pending

A convergence analysis of the method of codifferential descent

M.V. Dolgopolik

arxiv:1801.07766 v3 · 2018-01-23 · 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{WZU2CQE45QF4IMUMFTREDDP4BW}

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	2026-05-17T23:52:24.558250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b669a1409cec0bc4328c2ce2418dfc0db65b359a0c6ae04ccbd6f2fe55b6d993

Aliases

arxiv: 1801.07766 · arxiv_version: 1801.07766v3 · doi: 10.48550/arxiv.1801.07766 · pith_short_12: WZU2CQE45QF4 · pith_short_16: WZU2CQE45QF4IMUM · pith_short_8: WZU2CQE4

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/WZU2CQE45QF4IMUMFTREDDP4BW \
  | 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: b669a1409cec0bc4328c2ce2418dfc0db65b359a0c6ae04ccbd6f2fe55b6d993

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be9c1193b33c249f8352b67f5a5df35ec2af35cad40c6bb0c0c3ead4c18c5335",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-01-23T20:49:52Z",
    "title_canon_sha256": "6b442074cb0f31c9c9f4969be911dad1c0594754850a6156ebc5defad4bb3a3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07766",
    "kind": "arxiv",
    "version": 3
  }
}