Pith Number

pith:RPCHPM4V

pith:2015:RPCHPM4VMKRDZJUN6BHL5WTJEA

not attested not anchored not stored refs pending

Convergence and Optimality of hp-AFEM

Claudio Canuto, Marco Verani, Ricardo H. Nochetto, Rob Stevenson

arxiv:1503.03996 v1 · 2015-03-13 · 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{RPCHPM4VMKRDZJUN6BHL5WTJEA}

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	2026-05-18T02:23:57.453306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bc477b39562a23ca68df04ebeda692021a7864fdb7e117bd47e66a64f169bf0

Aliases

arxiv: 1503.03996 · arxiv_version: 1503.03996v1 · doi: 10.48550/arxiv.1503.03996 · pith_short_12: RPCHPM4VMKRD · pith_short_16: RPCHPM4VMKRDZJUN · pith_short_8: RPCHPM4V

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/RPCHPM4VMKRDZJUN6BHL5WTJEA \
  | 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: 8bc477b39562a23ca68df04ebeda692021a7864fdb7e117bd47e66a64f169bf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df8b2a772c4892b382ce422484a1eea01f6b5d67cf6341c2b562c661f962f003",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-03-13T09:30:01Z",
    "title_canon_sha256": "1fdfdc0fa52de9d28698ac7c5d997c8d860c08e109269f5451ee1e81867fc1b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03996",
    "kind": "arxiv",
    "version": 1
  }
}