Pith Number

pith:EOCQHEWC

pith:2007:EOCQHEWCUELEKAMYW3NKK6Z5ZJ

not attested not anchored not stored refs pending

Using integral transforms to estimate higher order derivatives

David M. Bradley

arxiv:0706.3029 v1 · 2007-06-20 · math.NA · cs.NA · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EOCQHEWCUELEKAMYW3NKK6Z5ZJ}

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	2026-06-03T22:06:01.326721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23850392c2a116450198b6daa57b3dca48db61ef165ad06e06b0a3cb40d9c09a

Aliases

arxiv: 0706.3029 · arxiv_version: 0706.3029v1 · doi: 10.48550/arxiv.0706.3029 · pith_short_12: EOCQHEWCUELE · pith_short_16: EOCQHEWCUELEKAMY · pith_short_8: EOCQHEWC

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/EOCQHEWCUELEKAMYW3NKK6Z5ZJ \
  | 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: 23850392c2a116450198b6daa57b3dca48db61ef165ad06e06b0a3cb40d9c09a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab7385edaa136bb1e2a5538452dcc38eb172be3523e03beaa3e9e3cacdff2a55",
    "cross_cats_sorted": [
      "cs.NA",
      "math.HO"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2007-06-20T17:42:07Z",
    "title_canon_sha256": "79558de891154b43c426a62acc3588f9f61f0bbade1ab5d54a83385abd5911a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.3029",
    "kind": "arxiv",
    "version": 1
  }
}