Pith Number

pith:I4ZFLKC7

pith:2015:I4ZFLKC7W4HYWP6LWHEBSUODSY

not attested not anchored not stored refs pending

Error Formulas for Ideal Interpolation

Shugong Zhang, Xue Jiang, Yihe Gong, Zhe Li

arxiv:1506.05242 v3 · 2015-06-17 · 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{I4ZFLKC7W4HYWP6LWHEBSUODSY}

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	2026-05-18T01:12:18.418249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

473255a85fb70f8b3fcbb1c81951c3962a7dac717f2dcaa1f7edd9779dc085e5

Aliases

arxiv: 1506.05242 · arxiv_version: 1506.05242v3 · doi: 10.48550/arxiv.1506.05242 · pith_short_12: I4ZFLKC7W4HY · pith_short_16: I4ZFLKC7W4HYWP6L · pith_short_8: I4ZFLKC7

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/I4ZFLKC7W4HYWP6LWHEBSUODSY \
  | 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: 473255a85fb70f8b3fcbb1c81951c3962a7dac717f2dcaa1f7edd9779dc085e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8de17a63db5b3670128e7599ae95a06dd7544c9da15622694226813c4cd9aaaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-06-17T08:41:21Z",
    "title_canon_sha256": "89d6cec7d18ec367f34a412688eb7eb1572f119c284b670e38eeb00d56d4de6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05242",
    "kind": "arxiv",
    "version": 3
  }
}