Pith Number

pith:UVCDMKSZ

pith:2018:UVCDMKSZEE7LZCOYH3Y5SCXWEP

not attested not anchored not stored refs pending

On the tightness of $G_\delta$-modifications

Alan Dow, Istv\'an Juh\'asz, Lajos Soukup, William Weiss, Zolt\'an Szentmikl\'ossy

arxiv:1805.02228 v1 · 2018-05-06 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVCDMKSZEE7LZCOYH3Y5SCXWEP}

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	2026-05-18T00:16:40.512498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a544362a59213ebc89d83ef1d90af623e1aa2eb957105719d6f6746a830d5a42

Aliases

arxiv: 1805.02228 · arxiv_version: 1805.02228v1 · doi: 10.48550/arxiv.1805.02228 · pith_short_12: UVCDMKSZEE7L · pith_short_16: UVCDMKSZEE7LZCOY · pith_short_8: UVCDMKSZ

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/UVCDMKSZEE7LZCOYH3Y5SCXWEP \
  | 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: a544362a59213ebc89d83ef1d90af623e1aa2eb957105719d6f6746a830d5a42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "113727ef61edd7a315349cef5efa9a7a865abc40b712aaa74c99bd5bf8a4cedb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-05-06T15:12:55Z",
    "title_canon_sha256": "9c3c75dbe309064513039530a7230937938c33547b539a3c5b7902c2b0aa78e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02228",
    "kind": "arxiv",
    "version": 1
  }
}