Pith Number

pith:7LX7KRA6

pith:2026:7LX7KRA62LZL7G2HA3VGKF22BL

not attested not anchored not stored refs pending

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

Davit Kapanadze

arxiv:2605.20228 v1 · 2026-05-15 · 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{7LX7KRA62LZL7G2HA3VGKF22BL}

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	2026-05-21T00:04:21.827979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faeff5441ed2f2bf9b4706ea65175a0ad9026480a263cbda9ead3f498e4d8f09

Aliases

arxiv: 2605.20228 · arxiv_version: 2605.20228v1 · doi: 10.48550/arxiv.2605.20228 · pith_short_12: 7LX7KRA62LZL · pith_short_16: 7LX7KRA62LZL7G2H · pith_short_8: 7LX7KRA6

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/7LX7KRA62LZL7G2HA3VGKF22BL \
  | 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: faeff5441ed2f2bf9b4706ea65175a0ad9026480a263cbda9ead3f498e4d8f09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ac8b70ee7bda01feb678d5dcf581c25cb6902e7b1f246f4e3f424fc087f2dd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2026-05-15T08:26:23Z",
    "title_canon_sha256": "93adb07f21a1322f49667922228745d0e0b8059d7410f263fb1b02008304e7e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20228",
    "kind": "arxiv",
    "version": 1
  }
}