Pith Number

pith:YJC4I4E6

pith:2013:YJC4I4E6UZ5HTQ7JEMKCGWSNQW

not attested not anchored not stored refs pending

Generic regular universes in higher order gravity theories

Antonios Tsokaros, Dimitrios Trachilis, Spiros Cotsakis

arxiv:1302.6674 v1 · 2013-02-27 · 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{YJC4I4E6UZ5HTQ7JEMKCGWSNQW}

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	2026-05-18T03:32:19.158400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c245c4709ea67a79c3e92314235a4d85adffeb0ce2127702b33b0ccd277561d7

Aliases

arxiv: 1302.6674 · arxiv_version: 1302.6674v1 · doi: 10.48550/arxiv.1302.6674 · pith_short_12: YJC4I4E6UZ5H · pith_short_16: YJC4I4E6UZ5HTQ7J · pith_short_8: YJC4I4E6

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/YJC4I4E6UZ5HTQ7JEMKCGWSNQW \
  | 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: c245c4709ea67a79c3e92314235a4d85adffeb0ce2127702b33b0ccd277561d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1c83ad14940863742935941907dc3896c08694cc8940d877ddc89d239783079",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-27T06:34:49Z",
    "title_canon_sha256": "5712d584faa35f4770984941aebd68a0cc12c524629c40f9c2a97e7447f3f012"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6674",
    "kind": "arxiv",
    "version": 1
  }
}