Pith Number

pith:O2VTE3GB

pith:1994:O2VTE3GBGKRFIFDCEUG5HTC2PW

not attested not anchored not stored refs pending

Measurability of functions with approximately continuous vertical sections and measurable horizontal sections

Arnold W. Miller, M. Laczkovich

arxiv:math/9411206 v1 · 1994-11-07 · 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{O2VTE3GBGKRFIFDCEUG5HTC2PW}

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	2026-05-18T01:05:50.902193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76ab326cc132a2541462250dd3cc5a7dbb6de2668b42aa762ec5f907b9f1cf7b

Aliases

arxiv: math/9411206 · arxiv_version: math/9411206v1 · doi: 10.48550/arxiv.math/9411206 · pith_short_12: O2VTE3GBGKRF · pith_short_16: O2VTE3GBGKRFIFDC · pith_short_8: O2VTE3GB

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/O2VTE3GBGKRFIFDCEUG5HTC2PW \
  | 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: 76ab326cc132a2541462250dd3cc5a7dbb6de2668b42aa762ec5f907b9f1cf7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cb9ec8320b1db9e223f83aa21ab82af64311baec2a6d83477bdf923a5fc0ae8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.LO",
    "submitted_at": "1994-11-07T00:00:00Z",
    "title_canon_sha256": "a4122cd392cd8bb3367d744cdc3c5281770356de93ad51c1b2920840bae04a43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9411206",
    "kind": "arxiv",
    "version": 1
  }
}