Pith Number

pith:NA5CQI6R

pith:2017:NA5CQI6R2MZBDXY3EH6FZ2ODTZ

not attested not anchored not stored refs pending

Recursive Integral Method with Cayley Transformation

C. Yang, J. Sun, R. Huang

arxiv:1705.01646 v1 · 2017-05-03 · 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{NA5CQI6R2MZBDXY3EH6FZ2ODTZ}

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	2026-05-18T00:45:04.485855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

683a2823d1d33211df1b21fc5ce9c39e558896a780350e398d7b01793fe6cbc2

Aliases

arxiv: 1705.01646 · arxiv_version: 1705.01646v1 · doi: 10.48550/arxiv.1705.01646 · pith_short_12: NA5CQI6R2MZB · pith_short_16: NA5CQI6R2MZBDXY3 · pith_short_8: NA5CQI6R

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/NA5CQI6R2MZBDXY3EH6FZ2ODTZ \
  | 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: 683a2823d1d33211df1b21fc5ce9c39e558896a780350e398d7b01793fe6cbc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a973331c86e4b5cd9522bf4719e761ad1f3ca9f8a3e82b731aa483eb16cbe72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-05-03T22:51:42Z",
    "title_canon_sha256": "c6ec58366b19a86bb5592e0a5fab380b0945dd74bbcf9165ad66ae4fc264687c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01646",
    "kind": "arxiv",
    "version": 1
  }
}