Pith Number

pith:XHRL6QB4

pith:2026:XHRL6QB4KXQ3HPB2Q7FIWAJCAF

not attested not anchored not stored refs pending

Marx versus Engels on infinitesimals: Chimera or triumph?

Karl Kuhlemann, Mikhail G. Katz, Semen S. Kutateladze

arxiv:2606.01739 v1 · 2026-06-01 · 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{XHRL6QB4KXQ3HPB2Q7FIWAJCAF}

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	2026-06-02T02:04:55.482908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9e2bf403c55e1b3bc3a87ca8b0122017ef6f0a8409805b8e9ae371b2918a3ab

Aliases

arxiv: 2606.01739 · arxiv_version: 2606.01739v1 · doi: 10.48550/arxiv.2606.01739 · pith_short_12: XHRL6QB4KXQ3 · pith_short_16: XHRL6QB4KXQ3HPB2 · pith_short_8: XHRL6QB4

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/XHRL6QB4KXQ3HPB2Q7FIWAJCAF \
  | 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: b9e2bf403c55e1b3bc3a87ca8b0122017ef6f0a8409805b8e9ae371b2918a3ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "625c9582c79760415b107833db2740f1e898e203fb6436a400f2b185f8c67c83",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2026-06-01T06:03:08Z",
    "title_canon_sha256": "e9aab6fc2542877e558a9dc2f4e8d7162d0c4a42007358aae18f5f2f391f14dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01739",
    "kind": "arxiv",
    "version": 1
  }
}