Pith Number

pith:3MDAIMYY

pith:2018:3MDAIMYYKO6KYXPG3TFEQ652E2

not attested not anchored not stored refs pending

Efficient adaptive multilevel stochastic Galerkin approximation using implicit a posteriori error estimation

Adam J. Crowder, Alex Bespalov, Catherine E. Powell

arxiv:1806.05987 v1 · 2018-06-15 · 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{3MDAIMYYKO6KYXPG3TFEQ652E2}

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	2026-05-18T00:13:08.808961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db0604331853bcac5de6dcca487bba269e790243f980aa9a66080b108a35b582

Aliases

arxiv: 1806.05987 · arxiv_version: 1806.05987v1 · doi: 10.48550/arxiv.1806.05987 · pith_short_12: 3MDAIMYYKO6K · pith_short_16: 3MDAIMYYKO6KYXPG · pith_short_8: 3MDAIMYY

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/3MDAIMYYKO6KYXPG3TFEQ652E2 \
  | 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: db0604331853bcac5de6dcca487bba269e790243f980aa9a66080b108a35b582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "406458bf9b44a9acb75a6a09dd52cce98478fe35a64094df9686269f3be27942",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-15T14:04:30Z",
    "title_canon_sha256": "231a8dee047b082ba97285c1a4a6069bcb4874a96f6cc29957d1f7cc2c4dbfe0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05987",
    "kind": "arxiv",
    "version": 1
  }
}