Pith Number

pith:5HHTCMI7

pith:2018:5HHTCMI7225BHZB6PSJTKJS2NV

not attested not anchored not stored refs pending

Simpler than vacuum: Antiscalar alternatives to black holes

Eduard Mychelkin, Maxim Makukov

arxiv:1809.05290 v2 · 2018-09-14 · 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{5HHTCMI7225BHZB6PSJTKJS2NV}

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	2026-05-18T00:04:14.147964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9cf31311fd6ba13e43e7c9335265a6d7f8907bfc1b847cc5f98bad0844b05c0

Aliases

arxiv: 1809.05290 · arxiv_version: 1809.05290v2 · doi: 10.48550/arxiv.1809.05290 · pith_short_12: 5HHTCMI7225B · pith_short_16: 5HHTCMI7225BHZB6 · pith_short_8: 5HHTCMI7

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/5HHTCMI7225BHZB6PSJTKJS2NV \
  | 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: e9cf31311fd6ba13e43e7c9335265a6d7f8907bfc1b847cc5f98bad0844b05c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a709968d619289816e7f3da9c396c30e796d9619a94cb7ed0094edf7116594ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-09-14T07:52:44Z",
    "title_canon_sha256": "a9a526320e9e1a45cb7cf9807ecc1a9d23a66061e5b1c1a92dcb85eb083ccfff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05290",
    "kind": "arxiv",
    "version": 2
  }
}