Pith Number

pith:WWX6N2Z5

pith:2012:WWX6N2Z5QYOSGCBY76CQ3JHE27

not attested not anchored not stored refs pending

Metric tensors for the interpolation error and its gradient in $L^p$ norm

Hehu Xie, Xiaobo Yin

arxiv:1201.1632 v1 · 2012-01-08 · 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{WWX6N2Z5QYOSGCBY76CQ3JHE27}

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	2026-05-18T04:05:02.920935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5afe6eb3d861d230838ff850da4e4d7e9760dc044a4e068059359dae04c0af9

Aliases

arxiv: 1201.1632 · arxiv_version: 1201.1632v1 · doi: 10.48550/arxiv.1201.1632 · pith_short_12: WWX6N2Z5QYOS · pith_short_16: WWX6N2Z5QYOSGCBY · pith_short_8: WWX6N2Z5

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/WWX6N2Z5QYOSGCBY76CQ3JHE27 \
  | 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: b5afe6eb3d861d230838ff850da4e4d7e9760dc044a4e068059359dae04c0af9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "467ac07a93b9a880c0d01f454d825051d022b9c59ab2a544ecabd220ad5c3caa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-01-08T13:29:17Z",
    "title_canon_sha256": "5ffdf88de37cece3de555f7d611fe60e0c9b1fdebc2b763d34f43bc0323956c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1632",
    "kind": "arxiv",
    "version": 1
  }
}