Pith Number

pith:54V2OK52

pith:2018:54V2OK52F2F3TI5TATSSHTWWLH

not attested not anchored not stored refs pending

Discontinuous Galerkin Isogeometric Analysis for segmentations generating overlapping regions

Christoph Hofer, Ioannis Toulopoulos

arxiv:1803.09616 v1 · 2018-03-26 · 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{54V2OK52F2F3TI5TATSSHTWWLH}

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	2026-05-18T00:20:10.928976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef2ba72bba2e8bb9a3b304e523ced659c31e9669f4c7bf0fa66d6e86e7252db8

Aliases

arxiv: 1803.09616 · arxiv_version: 1803.09616v1 · doi: 10.48550/arxiv.1803.09616 · pith_short_12: 54V2OK52F2F3 · pith_short_16: 54V2OK52F2F3TI5T · pith_short_8: 54V2OK52

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/54V2OK52F2F3TI5TATSSHTWWLH \
  | 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: ef2ba72bba2e8bb9a3b304e523ced659c31e9669f4c7bf0fa66d6e86e7252db8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ea4599a38310ed1a057c2a419b77cda955f10af5e53c1482d96cd157280047b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-26T14:26:38Z",
    "title_canon_sha256": "990971e907c79af411515079ef85f78825c025907102f49c48d7bf6bcd11fd24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09616",
    "kind": "arxiv",
    "version": 1
  }
}