Pith Number

pith:D4V7XGXC

pith:2014:D4V7XGXCWMGEYT2LPIJF7G3C4K

not attested not anchored not stored refs pending

A Comparison of High Order Interpolation Nodes for the Pyramid

Jesse Chan, T. Warburton

arxiv:1412.4138 v2 · 2014-12-12 · 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{D4V7XGXCWMGEYT2LPIJF7G3C4K}

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	2026-05-18T02:31:10.590482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f2bfb9ae2b30c4c4f4b7a125f9b62e2bb51faf5b378dc305a3b28097e0fc698

Aliases

arxiv: 1412.4138 · arxiv_version: 1412.4138v2 · doi: 10.48550/arxiv.1412.4138 · pith_short_12: D4V7XGXCWMGE · pith_short_16: D4V7XGXCWMGEYT2L · pith_short_8: D4V7XGXC

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/D4V7XGXCWMGEYT2LPIJF7G3C4K \
  | 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: 1f2bfb9ae2b30c4c4f4b7a125f9b62e2bb51faf5b378dc305a3b28097e0fc698

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31af9e3f4f7f8201bbe77a5fbe48e2a55cb31a710f98e6672a2d0f60ecf4c3ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-12-12T21:42:01Z",
    "title_canon_sha256": "26c52693d3e61d63bf218cf7dae3bf5626c1d0639693753737ad517ba58eb1ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.4138",
    "kind": "arxiv",
    "version": 2
  }
}