Pith Number

pith:LUDDJJGJ

pith:2016:LUDDJJGJ2N5IX7KFSCLLMFQTXL

not attested not anchored not stored refs pending

How not to discretize the control

Daniel Wachsmuth, Gerd Wachsmuth

arxiv:1603.07099 v1 · 2016-03-23 · math.NA · 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{LUDDJJGJ2N5IX7KFSCLLMFQTXL}

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	2026-05-18T01:18:24.467783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d0634a4c9d37a8bfd459096b61613bac284a2b740d593666c5b21ac25613f66

Aliases

arxiv: 1603.07099 · arxiv_version: 1603.07099v1 · doi: 10.48550/arxiv.1603.07099 · pith_short_12: LUDDJJGJ2N5I · pith_short_16: LUDDJJGJ2N5IX7KF · pith_short_8: LUDDJJGJ

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/LUDDJJGJ2N5IX7KFSCLLMFQTXL \
  | 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: 5d0634a4c9d37a8bfd459096b61613bac284a2b740d593666c5b21ac25613f66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68160b73d6febedf60870df33cd1d95972b87facf585484c4ac9d8d2615b7374",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-03-23T09:21:42Z",
    "title_canon_sha256": "cdbcd8e38338df81a31a440451ad154d6418a5f47b0c494c625368126a4f3982"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07099",
    "kind": "arxiv",
    "version": 1
  }
}