Pith Number

pith:WLHL77JJ

pith:2015:WLHL77JJUFOBSKV5MCQUYXCOL3

not attested not anchored not stored refs pending

Efficient discontinuous Galerkin finite element methods via Bernstein polynomials

Robert C. Kirby

arxiv:1504.03990 v1 · 2015-04-15 · 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{WLHL77JJUFOBSKV5MCQUYXCOL3}

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	2026-05-18T02:18:41.475412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2cebffd29a15c192abd60a14c5c4e5ec6080cd0063f72074820cce2fee26203

Aliases

arxiv: 1504.03990 · arxiv_version: 1504.03990v1 · doi: 10.48550/arxiv.1504.03990 · pith_short_12: WLHL77JJUFOB · pith_short_16: WLHL77JJUFOBSKV5 · pith_short_8: WLHL77JJ

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/WLHL77JJUFOBSKV5MCQUYXCOL3 \
  | 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: b2cebffd29a15c192abd60a14c5c4e5ec6080cd0063f72074820cce2fee26203

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73a0c2eb5bca4514b594016f8124d7fbfff72b1632b5379e079333256d740598",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-04-15T18:56:15Z",
    "title_canon_sha256": "a57326daf7cd5e130247cdb4ba9d7ce1818b6a6e0c7f482b12c796f69915da25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03990",
    "kind": "arxiv",
    "version": 1
  }
}