Pith Number

pith:4RQECB4X

pith:2020:4RQECB4XAZIIFFFRGWUBASZOYZ

not attested not anchored not stored refs pending

Bijective Mapping Analysis to Extend the Theory of Functional Connections to Non-rectangular 2-dimensional Domains

Daniele Mortari, David Anas

arxiv:2008.07310 v1 · 2020-07-28 · math.NA · cs.NA · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RQECB4XAZIIFFFRGWUBASZOYZ}

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	2026-07-05T01:27:38.506361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e46041079706508294b135a8104b2ec67a3633c1f8ec687fc417b9df651b769a

Aliases

arxiv: 2008.07310 · arxiv_version: 2008.07310v1 · doi: 10.48550/arxiv.2008.07310 · pith_short_12: 4RQECB4XAZII · pith_short_16: 4RQECB4XAZIIFFFR · pith_short_8: 4RQECB4X

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/4RQECB4XAZIIFFFRGWUBASZOYZ \
  | 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: e46041079706508294b135a8104b2ec67a3633c1f8ec687fc417b9df651b769a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c479c8d54df34501997830585d9b8a6575a6bbf4f67a0eee9d44c9b495aea9dd",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-07-28T04:01:15Z",
    "title_canon_sha256": "d48f49eb2d47df42b9aa312e4a4f9c45cc4aec605fec5b7402c6e047b4f21360"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.07310",
    "kind": "arxiv",
    "version": 1
  }
}