Pith Number

pith:MBQXDLRB

pith:2011:MBQXDLRBWA4YVLCUOYQ7XBZUVC

not attested not anchored not stored refs pending

Who Gave you the Cauchy-Weierstrass Tale? The Dual History of Rigorous Calculus

Alexandre Borovik, Mikhail G. Katz

arxiv:1108.2885 v3 · 2011-08-14 · math.HO · math.CA · math.FA · 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{MBQXDLRBWA4YVLCUOYQ7XBZUVC}

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	2026-05-18T03:43:07.629066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

606171ae21b0398aac547621fb8734a8a3094f32b7240c2a13f4994f174cd9ce

Aliases

arxiv: 1108.2885 · arxiv_version: 1108.2885v3 · doi: 10.48550/arxiv.1108.2885 · pith_short_12: MBQXDLRBWA4Y · pith_short_16: MBQXDLRBWA4YVLCU · pith_short_8: MBQXDLRB

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/MBQXDLRBWA4YVLCUOYQ7XBZUVC \
  | 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: 606171ae21b0398aac547621fb8734a8a3094f32b7240c2a13f4994f174cd9ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09362f0804580e04d7304e543787ee1b6e75256651418935bf2f3ada39bf25dc",
    "cross_cats_sorted": [
      "math.CA",
      "math.FA",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2011-08-14T16:02:53Z",
    "title_canon_sha256": "929732dfb75328bd3777b9919d4701f1ace1e666dcbce074b31647bcb25e575d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2885",
    "kind": "arxiv",
    "version": 3
  }
}