Pith Number

pith:XOTT64UY

pith:2016:XOTT64UYZWUTGEFSCYH6C2HOFZ

not attested not anchored not stored refs pending

Optimal-order isogeometric collocation at Galerkin superconvergent points

Giancarlo Sangalli, Lorenzo Tamellini, Monica Montardini

arxiv:1609.01971 v2 · 2016-09-07 · 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{XOTT64UYZWUTGEFSCYH6C2HOFZ}

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	2026-05-18T00:47:10.888044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bba73f7298cda93310b2160fe168ee2e4e719fb9900494f9aa88e05c6e092e27

Aliases

arxiv: 1609.01971 · arxiv_version: 1609.01971v2 · doi: 10.48550/arxiv.1609.01971 · pith_short_12: XOTT64UYZWUT · pith_short_16: XOTT64UYZWUTGEFS · pith_short_8: XOTT64UY

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/XOTT64UYZWUTGEFSCYH6C2HOFZ \
  | 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: bba73f7298cda93310b2160fe168ee2e4e719fb9900494f9aa88e05c6e092e27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a81c6012d0cf93fb881291875c7d1e6e0ffee76f50b95d1d962b18640a3a8acf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-09-07T13:12:11Z",
    "title_canon_sha256": "d53db291ec49b6b16e319cea9082303249690ce272659f18df4691df75f01bd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01971",
    "kind": "arxiv",
    "version": 2
  }
}