Pith Number

pith:FCXUTL7M

pith:2014:FCXUTL7MZ3HIULNTY6UB3YFXEW

not attested not anchored not stored refs pending

Dimensions of Biquadratic and Bicubic Spline Spaces over Hierarchical T-meshes

Chao Zeng, Fang Deng, Jiansong Deng, Xin Li

arxiv:1412.4970 v2 · 2014-12-16 · 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{FCXUTL7MZ3HIULNTY6UB3YFXEW}

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	2026-05-18T02:20:39.625950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28af49afeccece8a2db3c7a81de0b725b6c85a0d4ab6654362b3dabf821287c0

Aliases

arxiv: 1412.4970 · arxiv_version: 1412.4970v2 · doi: 10.48550/arxiv.1412.4970 · pith_short_12: FCXUTL7MZ3HI · pith_short_16: FCXUTL7MZ3HIULNT · pith_short_8: FCXUTL7M

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/FCXUTL7MZ3HIULNTY6UB3YFXEW \
  | 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: 28af49afeccece8a2db3c7a81de0b725b6c85a0d4ab6654362b3dabf821287c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c00477602fb62b9ba85f1eea5ad47b60e2a3fa3787d6e762b0ca89a9d7102c80",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-12-16T12:11:49Z",
    "title_canon_sha256": "7e6a1c2d4f19dcd2c9c832815b8b8a5d1efc49906b6648e2017acdd5c8593dc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4970",
    "kind": "arxiv",
    "version": 2
  }
}