Pith Number

pith:5F6BL72U

pith:2018:5F6BL72UA7CJPLVNVQFO4SBZ7Y

not attested not anchored not stored refs pending

Two-side a posteriori error estimates for the DWR method

Bernhard Endtmayer, Thomas Wick, Ulrich Langer

arxiv:1811.07586 v1 · 2018-11-19 · math.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{5F6BL72UA7CJPLVNVQFO4SBZ7Y}

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	2026-05-18T00:00:24.009882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e97c15ff5407c497aeadac0aee4839fe3bf28e28b97352c0032780eb87b1f296

Aliases

arxiv: 1811.07586 · arxiv_version: 1811.07586v1 · doi: 10.48550/arxiv.1811.07586 · pith_short_12: 5F6BL72UA7CJ · pith_short_16: 5F6BL72UA7CJPLVN · pith_short_8: 5F6BL72U

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/5F6BL72UA7CJPLVNVQFO4SBZ7Y \
  | 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: e97c15ff5407c497aeadac0aee4839fe3bf28e28b97352c0032780eb87b1f296

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9caf9b911def82f6bf6c1934ada3f4787b2fda67949ddf0519febd909d44b60c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-19T10:06:44Z",
    "title_canon_sha256": "48079d2e9745b27ae6e7a3d55d4d4190063c424c54016c7a27758a8e1ce36c69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07586",
    "kind": "arxiv",
    "version": 1
  }
}