Pith Number

pith:SLCK6AKR

pith:2013:SLCK6AKRJAK7SDW4MCC6LK2WNM

not attested not anchored not stored refs pending

Looking for empty topological wormhole spacetimes in $F(R)$-modified gravity

L. Sebastiani, R. Di Criscienzo, R. Myrzakulov

arxiv:1306.4750 v2 · 2013-06-20 · 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{SLCK6AKRJAK7SDW4MCC6LK2WNM}

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	2026-05-18T01:49:14.530986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92c4af01514815f90edc6085e5ab566b1ef31857e8a5caf3c46da950dcae6e55

Aliases

arxiv: 1306.4750 · arxiv_version: 1306.4750v2 · doi: 10.48550/arxiv.1306.4750 · pith_short_12: SLCK6AKRJAK7 · pith_short_16: SLCK6AKRJAK7SDW4 · pith_short_8: SLCK6AKR

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/SLCK6AKRJAK7SDW4MCC6LK2WNM \
  | 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: 92c4af01514815f90edc6085e5ab566b1ef31857e8a5caf3c46da950dcae6e55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26a1d0d3f022d7255b95c7c59542de59db599b10929fd0620b8ef24e79e87633",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-06-20T04:03:38Z",
    "title_canon_sha256": "f8d7819b8a056e348c2666e4767271831607cff77f8678778a2537a52f40ae7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4750",
    "kind": "arxiv",
    "version": 2
  }
}