Pith Number

pith:ZTANDUJU

pith:2021:ZTANDUJUUQXOQN3QPFKBCOF3S6

not attested not anchored not stored refs pending

A priori and a posteriori error analysis of the lowest-order NCVEM for second-order linear indefinite elliptic problems

Amiya K. Pani, Carsten Carstensen, Rekha Khot

arxiv:2101.08472 v2 · 2021-01-21 · math.NA · cs.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{ZTANDUJUUQXOQN3QPFKBCOF3S6}

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	2026-07-05T04:04:37.706973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccc0d1d134a42ee8377079541138bb97baa919593479d79937557bdb3c319155

Aliases

arxiv: 2101.08472 · arxiv_version: 2101.08472v2 · doi: 10.48550/arxiv.2101.08472 · pith_short_12: ZTANDUJUUQXO · pith_short_16: ZTANDUJUUQXOQN3Q · pith_short_8: ZTANDUJU

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/ZTANDUJUUQXOQN3QPFKBCOF3S6 \
  | 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: ccc0d1d134a42ee8377079541138bb97baa919593479d79937557bdb3c319155

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36b018dde3543b35724d72fbf971e3817539cd49858728334c0ad7481cf56bf0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-01-21T07:21:54Z",
    "title_canon_sha256": "e15b0e611bc09fb6a847cef4466c39d4ab252ba43218158c9413788922a99afb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.08472",
    "kind": "arxiv",
    "version": 2
  }
}