Pith Number

pith:4PVZ7VNX

pith:2016:4PVZ7VNXWWZM7WPMZVSHB24P74

not attested not anchored not stored refs pending

Super-convergence and post-processing for mixed finite element approximations of the wave equation

Bogdan Radu, Herbert Egger

arxiv:1608.03818 v1 · 2016-08-12 · 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{4PVZ7VNXWWZM7WPMZVSHB24P74}

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	2026-05-17T23:45:15.826836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3eb9fd5b7b5b2cfd9eccd6470eb8fff2aff65ca0cd09c51ffe894ef5eb74c0e

Aliases

arxiv: 1608.03818 · arxiv_version: 1608.03818v1 · doi: 10.48550/arxiv.1608.03818 · pith_short_12: 4PVZ7VNXWWZM · pith_short_16: 4PVZ7VNXWWZM7WPM · pith_short_8: 4PVZ7VNX

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/4PVZ7VNXWWZM7WPMZVSHB24P74 \
  | 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: e3eb9fd5b7b5b2cfd9eccd6470eb8fff2aff65ca0cd09c51ffe894ef5eb74c0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b588e9d6aa7ffcfe43febe4a5a1cd34c875b6fae2b6af7f93e1af645571248bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-08-12T15:08:25Z",
    "title_canon_sha256": "3290678e69b96ca61e39a4d32f5c2bd638bd531415f0baa551b39563b7ccb492"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03818",
    "kind": "arxiv",
    "version": 1
  }
}