Pith Number

pith:NPA5KMUH

pith:2018:NPA5KMUHYOXNIBUGC2UEEJO5QL

not attested not anchored not stored refs pending

Shape Theories. II. Compactness Selection Principles

Edward Anderson

arxiv:1811.06528 v4 · 2018-11-15 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPA5KMUHYOXNIBUGC2UEEJO5QL}

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.

Cited by

1 paper in Pith

Problem of Time and Background Independence: classical version's higher Lie Theory

Receipt and verification

First computed	2026-05-17T23:51:30.843921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc1d53287c3aed4068616a84225dd82ccdeb228a12338bed9860691860352e9

Aliases

arxiv: 1811.06528 · arxiv_version: 1811.06528v4 · doi: 10.48550/arxiv.1811.06528 · pith_short_12: NPA5KMUHYOXN · pith_short_16: NPA5KMUHYOXNIBUG · pith_short_8: NPA5KMUH

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/NPA5KMUHYOXNIBUGC2UEEJO5QL \
  | 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: 6bc1d53287c3aed4068616a84225dd82ccdeb228a12338bed9860691860352e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad9af4c2938bfc38df9c448f60bcacbfa15e947e6f792dee15bc2483af764928",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-11-15T18:52:03Z",
    "title_canon_sha256": "e5ac39fe3b88fabc51631f69af3cb24a49986d4972f4a541d1ca0adb80bd7f55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06528",
    "kind": "arxiv",
    "version": 4
  }
}