Pith Number

pith:AZYRAYIG

pith:2013:AZYRAYIGYR22VDGLRZNRLXKO7I

not attested not anchored not stored refs pending

Discontinuous Galerkin finite element differential calculus and applications to numerical solutions of linear and nonlinear partial differential equations

Michael Neilan, Thomas Lewis, Xiaobing Feng

arxiv:1302.6984 v2 · 2013-02-27 · 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{AZYRAYIGYR22VDGLRZNRLXKO7I}

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	2026-05-18T03:31:53.701255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0671106106c475aa8ccb8e5b15dd4efa08f20481bec24c08398b86069b3d2b82

Aliases

arxiv: 1302.6984 · arxiv_version: 1302.6984v2 · doi: 10.48550/arxiv.1302.6984 · pith_short_12: AZYRAYIGYR22 · pith_short_16: AZYRAYIGYR22VDGL · pith_short_8: AZYRAYIG

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/AZYRAYIGYR22VDGLRZNRLXKO7I \
  | 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: 0671106106c475aa8ccb8e5b15dd4efa08f20481bec24c08398b86069b3d2b82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7bdb470d6cea0edb3767dc2866857df66e941150ff0fd327b77e5dd6b3a598c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-02-27T20:35:45Z",
    "title_canon_sha256": "e073bf23cdfa3d836bb3f5f977ad18ed76029517135010023305ec2335280614"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6984",
    "kind": "arxiv",
    "version": 2
  }
}