Pith Number

pith:LTDPSJTY

pith:2017:LTDPSJTYZ4ELDBONVYBN7SDHFZ

not attested not anchored not stored refs pending

Cone unrectifiable sets and non-differentiability of Lipschitz functions

David Preiss, Olga Maleva

arxiv:1709.04233 v1 · 2017-09-13 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LTDPSJTYZ4ELDBONVYBN7SDHFZ}

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	2026-05-18T00:35:14.904974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cc6f92678cf08b185cdae02dfc8672e4142cfe8bd20cbc3e5816cccd83e925c

Aliases

arxiv: 1709.04233 · arxiv_version: 1709.04233v1 · doi: 10.48550/arxiv.1709.04233 · pith_short_12: LTDPSJTYZ4EL · pith_short_16: LTDPSJTYZ4ELDBON · pith_short_8: LTDPSJTY

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/LTDPSJTYZ4ELDBONVYBN7SDHFZ \
  | 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: 5cc6f92678cf08b185cdae02dfc8672e4142cfe8bd20cbc3e5816cccd83e925c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05234a6a0be73ddb26f7cb3cf58b7e0d390fe0575fb2a1f78f12db3f91d6d487",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-09-13T10:14:44Z",
    "title_canon_sha256": "e41ab4181f67afe90aedbc487029583940cb7c4174ddc1a6823a525237eb465b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04233",
    "kind": "arxiv",
    "version": 1
  }
}