Pith Number

pith:YWDWKBHP

pith:2020:YWDWKBHPD7XUCNAXOX5W7FMD4C

not attested not anchored not stored refs pending

On the threshold condition for D\"orfler marking

Christian Kreuzer, Lars Diening

arxiv:2003.10940 v1 · 2020-03-24 · 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{YWDWKBHPD7XUCNAXOX5W7FMD4C}

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	2026-07-05T00:50:22.035824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5876504ef1fef41341775fb6f9583e0959ffc51fbdf0e35e5baafb6c51b49c3

Aliases

arxiv: 2003.10940 · arxiv_version: 2003.10940v1 · doi: 10.48550/arxiv.2003.10940 · pith_short_12: YWDWKBHPD7XU · pith_short_16: YWDWKBHPD7XUCNAX · pith_short_8: YWDWKBHP

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/YWDWKBHPD7XUCNAXOX5W7FMD4C \
  | 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: c5876504ef1fef41341775fb6f9583e0959ffc51fbdf0e35e5baafb6c51b49c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abd0d64e9ffee22633afa0bde169028fecf0143221215049e3aeff9b0bad332e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-03-24T15:59:14Z",
    "title_canon_sha256": "eae871d4a770ff0c51bf9c54457f92f7c3776195f06c8b465d047931c865cf19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.10940",
    "kind": "arxiv",
    "version": 1
  }
}