Pith Number

pith:CE4A7GK3

pith:2018:CE4A7GK37VX7CGHVX4C2RNFO5F

not attested not anchored not stored refs pending

Optimal Adaptivity for the SUPG Finite Element Method

Christoph Erath, Dirk Praetorius

arxiv:1806.11000 v1 · 2018-06-28 · 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{CE4A7GK37VX7CGHVX4C2RNFO5F}

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	2026-05-17T23:40:36.396125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11380f995bfd6ff118f5bf05a8b4aee96cf47bb65cd2b90b257943895bea93e4

Aliases

arxiv: 1806.11000 · arxiv_version: 1806.11000v1 · doi: 10.48550/arxiv.1806.11000 · pith_short_12: CE4A7GK37VX7 · pith_short_16: CE4A7GK37VX7CGHV · pith_short_8: CE4A7GK3

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/CE4A7GK37VX7CGHVX4C2RNFO5F \
  | 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: 11380f995bfd6ff118f5bf05a8b4aee96cf47bb65cd2b90b257943895bea93e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd0424dde948145f5082ff54342f22bb12f758c618d808b4cb4e01ce9eaba8e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-28T14:26:57Z",
    "title_canon_sha256": "09e9306e94aa1ce70358316b566155c4a95cbd8b6ac42b184e629a39f54d5673"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11000",
    "kind": "arxiv",
    "version": 1
  }
}