Pith Number

pith:3IEYD5EQ

pith:2017:3IEYD5EQRCOOFJ36WRWC2SVYCS

not attested not anchored not stored refs pending

Guaranteed error control bounds for the stabilised space-time IgA approximations to parabolic problems

Sergey Repin, Svetlana Matculevich, Ulrich Langer

arxiv:1712.06017 v2 · 2017-12-16 · 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{3IEYD5EQRCOOFJ36WRWC2SVYCS}

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	2026-05-18T00:23:07.999949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da0981f490889ce2a77eb46c2d4ab814a89b33cc7223b1511320fe21b41f6f14

Aliases

arxiv: 1712.06017 · arxiv_version: 1712.06017v2 · doi: 10.48550/arxiv.1712.06017 · pith_short_12: 3IEYD5EQRCOO · pith_short_16: 3IEYD5EQRCOOFJ36 · pith_short_8: 3IEYD5EQ

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/3IEYD5EQRCOOFJ36WRWC2SVYCS \
  | 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: da0981f490889ce2a77eb46c2d4ab814a89b33cc7223b1511320fe21b41f6f14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecf29deb83ee9e2a7a29791d108d1a6b0b131c03b009f6d6072d00b166601bc1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-12-16T20:45:10Z",
    "title_canon_sha256": "74ca346a27e485a973bd43c67e6aae56e27580f86656a50d537081ad3db00633"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06017",
    "kind": "arxiv",
    "version": 2
  }
}