Pith Number

pith:DE3SM7DP

pith:2018:DE3SM7DP2TQCIWUQ4REFPS7M6Y

not attested not anchored not stored refs pending

Suitably graded THB-spline refinement and coarsening: Towards an adaptive isogeometric analysis of additive manufacturing processes

Alessandro Reali, Carlotta Giannelli, Massimo Carraturo, Rafael V\'azquez

arxiv:1811.00358 v1 · 2018-11-01 · 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{DE3SM7DP2TQCIWUQ4REFPS7M6Y}

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	2026-05-17T23:50:23.198054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1937267c6fd4e0245a90e44857cbecf61c92b9160f48b4f6b6ef83867d0fa69d

Aliases

arxiv: 1811.00358 · arxiv_version: 1811.00358v1 · doi: 10.48550/arxiv.1811.00358 · pith_short_12: DE3SM7DP2TQC · pith_short_16: DE3SM7DP2TQCIWUQ · pith_short_8: DE3SM7DP

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/DE3SM7DP2TQCIWUQ4REFPS7M6Y \
  | 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: 1937267c6fd4e0245a90e44857cbecf61c92b9160f48b4f6b6ef83867d0fa69d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26657a5cd3554c8da61b66b6e5eee93744ee8a3a4f03c7390c0b81b249073a1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-01T13:19:31Z",
    "title_canon_sha256": "ddef3d912f58ff820bbaee79021c17881e30f3e32075d6240e8fc16e0c3bdad5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00358",
    "kind": "arxiv",
    "version": 1
  }
}