Pith Number

pith:ZIKMHF4E

pith:2017:ZIKMHF4EBB6PP4BCZGG7DNRQ7X

not attested not anchored not stored refs pending

Cauchy, infinitesimals and ghosts of departed quantifiers

David M. Schaps, David Sherry, Jacques Bair, Karin U. Katz, Mikhail G. Katz, Piotr Blaszczyk, Robert Ely, Semen S. Kutateladze, Taras Kudryk, Thomas Mcgaffey, Thomas Mormann, Valerie Henry, Vladimir Kanovei

arxiv:1712.00226 v1 · 2017-12-01 · math.HO · math.CA · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZIKMHF4EBB6PP4BCZGG7DNRQ7X}

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	2026-05-18T00:29:06.883394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca14c39784087cf7f022c98df1b630fdebfa0a85ee9f08f19c9fce57b42b0987

Aliases

arxiv: 1712.00226 · arxiv_version: 1712.00226v1 · doi: 10.48550/arxiv.1712.00226 · pith_short_12: ZIKMHF4EBB6P · pith_short_16: ZIKMHF4EBB6PP4BC · pith_short_8: ZIKMHF4E

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/ZIKMHF4EBB6PP4BCZGG7DNRQ7X \
  | 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: ca14c39784087cf7f022c98df1b630fdebfa0a85ee9f08f19c9fce57b42b0987

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dcd9652ae14fa5c0e998e8e066d2042130e55f80d85e6b1f2cd5088ee613d6d",
    "cross_cats_sorted": [
      "math.CA",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2017-12-01T08:13:17Z",
    "title_canon_sha256": "fdfe672e9a4eb4aa6feb7727db19b7e37a6e7d2e607d8e38763cf7404656ed9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00226",
    "kind": "arxiv",
    "version": 1
  }
}