Pith Number

pith:ZA6V4EYA

pith:2020:ZA6V4EYAJUZJO5IDQRW2LH6MDU

not attested not anchored not stored refs pending

Ultrarelativistic spinning objects in non-local ghost-free gravity

Jens Boos, Jose Pinedo Soto, Valeri P. Frolov

arxiv:2004.07420 v2 · 2020-04-16 · 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{ZA6V4EYAJUZJO5IDQRW2LH6MDU}

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

What happens to topological invariants (and black holes) in singularity-free theories?

Receipt and verification

First computed	2026-07-05T01:16:48.863249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c83d5e13004d32977503846da59fcc1d17a70ea711b241b0c62442425495921c

Aliases

arxiv: 2004.07420 · arxiv_version: 2004.07420v2 · doi: 10.48550/arxiv.2004.07420 · pith_short_12: ZA6V4EYAJUZJ · pith_short_16: ZA6V4EYAJUZJO5ID · pith_short_8: ZA6V4EYA

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/ZA6V4EYAJUZJO5IDQRW2LH6MDU \
  | 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: c83d5e13004d32977503846da59fcc1d17a70ea711b241b0c62442425495921c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b2ec2f110b07406d91b7d15fabf925a2607d49aed5ab7886af20b02d6518bdc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-04-16T02:12:36Z",
    "title_canon_sha256": "6a898d0c25e2881f3fd08e01ea7133308928c60f8cdfb4ad9ba876691d7db12e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07420",
    "kind": "arxiv",
    "version": 2
  }
}