Pith Number

pith:TOZ2HE67

pith:2018:TOZ2HE67TX6WCEFZ6A2PTEJTY6

not attested not anchored not stored refs pending

Calculus without Limit Theory

Jingzhong Zhang, Zengxiang Tong

arxiv:1802.03029 v1 · 2018-02-08 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TOZ2HE67TX6WCEFZ6A2PTEJTY6}

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.

Cited by

1 paper in Pith

A Limit-Free Algebraic-Geometric Construction of Derivatives for Elementary Functions

Receipt and verification

First computed	2026-05-18T00:24:02.200013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bb3a393df9dfd6110b9f034f99133c79d2be38b8f3b02d176d21745f4069cc1

Aliases

arxiv: 1802.03029 · arxiv_version: 1802.03029v1 · doi: 10.48550/arxiv.1802.03029 · pith_short_12: TOZ2HE67TX6W · pith_short_16: TOZ2HE67TX6WCEFZ · pith_short_8: TOZ2HE67

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/TOZ2HE67TX6WCEFZ6A2PTEJTY6 \
  | 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: 9bb3a393df9dfd6110b9f034f99133c79d2be38b8f3b02d176d21745f4069cc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ed69fa581ef47ce900c4245345634c6f4bfe49531b8860068c4b730cd159e22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2018-02-08T19:27:30Z",
    "title_canon_sha256": "e46b8b8985a68aa0dcef48a1e55e69af02722402f837207565d4e3f98d61d5a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03029",
    "kind": "arxiv",
    "version": 1
  }
}