Pith Number

pith:RSQ7JTEO

pith:2014:RSQ7JTEONEV42XAS4RN2ZUFK44

not attested not anchored not stored refs pending

On Cantor-like sets and Cantor-Lebesgue singular functions

Robert DiMartino, Wilfredo Urbina

arxiv:1403.6554 v1 · 2014-03-26 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RSQ7JTEONEV42XAS4RN2ZUFK44}

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	2026-05-18T02:55:28.644513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ca1f4cc8e692bcd5c12e45bacd0aae7276dc09ddfa35aa4094b4f0b6585995c

Aliases

arxiv: 1403.6554 · arxiv_version: 1403.6554v1 · doi: 10.48550/arxiv.1403.6554 · pith_short_12: RSQ7JTEONEV4 · pith_short_16: RSQ7JTEONEV42XAS · pith_short_8: RSQ7JTEO

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/RSQ7JTEONEV42XAS4RN2ZUFK44 \
  | 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: 8ca1f4cc8e692bcd5c12e45bacd0aae7276dc09ddfa35aa4094b4f0b6585995c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d3d74989d6e224444d3fc061717c80ab7278e4ce7e17e4da9b48002a841d747",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-03-26T01:30:35Z",
    "title_canon_sha256": "9e229130b599d56e1cff8ea1139fc427726187491d1bab3f616ac5c8831469cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6554",
    "kind": "arxiv",
    "version": 1
  }
}