Pith Number

pith:LO7RVA6J

pith:2018:LO7RVA6JRILOTF5WXFHIDOBAOP

not attested not anchored not stored refs pending

Adaptive space-time isogeometric analysis for parabolic evolution problems

Sergey Repin, Svetlana Matculevich, Ulrich Langer

arxiv:1807.05950 v1 · 2018-07-16 · 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{LO7RVA6JRILOTF5WXFHIDOBAOP}

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	2026-05-18T00:10:42.120312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bbf1a83c98a16e997b6b94e81b82073e1b1cfc8614aad634dafac4c0d40cf3e

Aliases

arxiv: 1807.05950 · arxiv_version: 1807.05950v1 · doi: 10.48550/arxiv.1807.05950 · pith_short_12: LO7RVA6JRILO · pith_short_16: LO7RVA6JRILOTF5W · pith_short_8: LO7RVA6J

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/LO7RVA6JRILOTF5WXFHIDOBAOP \
  | 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: 5bbf1a83c98a16e997b6b94e81b82073e1b1cfc8614aad634dafac4c0d40cf3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebd22f45e1338e18a9203c2756d57a66b137b8184f5debfe051215a30d6e8ecb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-16T16:19:05Z",
    "title_canon_sha256": "fa787bbd7f7e4a00e84583e9e42ed7581c81d325a3693a1578079ad5c950ccf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05950",
    "kind": "arxiv",
    "version": 1
  }
}