Pith Number

pith:YA3WLX6F

pith:2018:YA3WLX6FIVP3AUIHZ6UG5UCEVJ

not attested not anchored not stored refs pending

Gravitational solitons on Kasner background revisited: The simplest solitons with physical context

Christos Karathanasis, Theocharis Apostolatos

arxiv:1812.01590 v2 · 2018-12-04 · gr-qc

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

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	2026-05-17T23:40:33.993696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c03765dfc5455fb05107cfa86ed044aa6b298a320dda49cfaa464a50c0869be0

Aliases

arxiv: 1812.01590 · arxiv_version: 1812.01590v2 · doi: 10.48550/arxiv.1812.01590 · pith_short_12: YA3WLX6FIVP3 · pith_short_16: YA3WLX6FIVP3AUIH · pith_short_8: YA3WLX6F

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/YA3WLX6FIVP3AUIHZ6UG5UCEVJ \
  | 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: c03765dfc5455fb05107cfa86ed044aa6b298a320dda49cfaa464a50c0869be0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c281eb349c80dbfc6ec166a361a6894b04d6f3577dfe648956df594c478f8863",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-12-04T18:46:40Z",
    "title_canon_sha256": "23d77851b1e781353457ef7b6fe5bfa4367b141e69e2608206636339b0e61854"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01590",
    "kind": "arxiv",
    "version": 2
  }
}