Pith Number

pith:7RQ2RAB3

pith:2015:7RQ2RAB3CDHIAUVPAB32SBNZ3U

not attested not anchored not stored refs pending

Error analysis for discretizations of parabolic problems using continuous finite elements in time and mixed finite elements in space

Florin A. Radu, Markus Bause, Uwe K\"ocher

arxiv:1504.04491 v2 · 2015-04-17 · 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{7RQ2RAB3CDHIAUVPAB32SBNZ3U}

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	2026-05-18T00:55:58.593017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc61a8803b10ce8052af0077a905b9dd344a35d45b9907f5ad6df48c0ae9b3be

Aliases

arxiv: 1504.04491 · arxiv_version: 1504.04491v2 · doi: 10.48550/arxiv.1504.04491 · pith_short_12: 7RQ2RAB3CDHI · pith_short_16: 7RQ2RAB3CDHIAUVP · pith_short_8: 7RQ2RAB3

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/7RQ2RAB3CDHIAUVPAB32SBNZ3U \
  | 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: fc61a8803b10ce8052af0077a905b9dd344a35d45b9907f5ad6df48c0ae9b3be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "600c5ee4cb0543102808ae8804baf11f824c753404d452f04126eb7325b9e3a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-04-17T12:23:50Z",
    "title_canon_sha256": "c9b4a5b59b6384236f2a1e554338141cdac9259851779ea76b6460e86a4695d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04491",
    "kind": "arxiv",
    "version": 2
  }
}