Pith Number

pith:XWBYIXZ4

pith:2017:XWBYIXZ4NBXBENPIVW3RY57PGE

not attested not anchored not stored refs pending

Spectral approximation properties of isogeometric analysis with variable continuity

Quanling Deng, Victor Calo, Vladimir Puzyrev

arxiv:1709.09815 v1 · 2017-09-28 · math.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XWBYIXZ4NBXBENPIVW3RY57PGE}

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	2026-05-17T23:57:32.601029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd83845f3c686e1235e8adb71c77ef3105d4639849a0ab4ac5efca35fd86df9a

Aliases

arxiv: 1709.09815 · arxiv_version: 1709.09815v1 · doi: 10.48550/arxiv.1709.09815 · pith_short_12: XWBYIXZ4NBXB · pith_short_16: XWBYIXZ4NBXBENPI · pith_short_8: XWBYIXZ4

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/XWBYIXZ4NBXBENPIVW3RY57PGE \
  | 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: bd83845f3c686e1235e8adb71c77ef3105d4639849a0ab4ac5efca35fd86df9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3077ffb1405a0f366bd91fab69aca308fbc1b2419026fa6cd123474e64f5cdcd",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-28T05:56:27Z",
    "title_canon_sha256": "fa0196d7a8c1080c5a9315cb9b6b287d4dac9f5b465da43a941120d16736e5af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09815",
    "kind": "arxiv",
    "version": 1
  }
}