Pith Number

pith:ZDETTPZV

pith:2019:ZDETTPZV73YO7SATESSX6LTLJ6

not attested not anchored not stored refs pending

On variational iterative methods for semilinear problems

Prosper Torsu

arxiv:1908.00470 v1 · 2019-08-01 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZDETTPZV73YO7SATESSX6LTLJ6}

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	2026-07-04T23:51:00.755106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8c939bf35fef0efc81324a57f2e6b4f80ae5a57f60f9e9c8a82c85ba6b16c31

Aliases

arxiv: 1908.00470 · arxiv_version: 1908.00470v1 · doi: 10.48550/arxiv.1908.00470 · pith_short_12: ZDETTPZV73YO · pith_short_16: ZDETTPZV73YO7SAT · pith_short_8: ZDETTPZV

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/ZDETTPZV73YO7SATESSX6LTLJ6 \
  | 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: c8c939bf35fef0efc81324a57f2e6b4f80ae5a57f60f9e9c8a82c85ba6b16c31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dcaab48e72946179e1419d74adffff790855e3ab365661630f1c6a992730fd6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-01T15:58:10Z",
    "title_canon_sha256": "db6c674552508eb84baa2b3ace4fe08721cf6c004eb0689f896d8640550d99c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00470",
    "kind": "arxiv",
    "version": 1
  }
}