Pith Number

pith:AIHTXB6K

pith:2019:AIHTXB6KLDLN4VPIPZN3ZAZEFO

not attested not anchored not stored refs pending

Approaching a spacetime singularity in conformal gravity

Hui-Yu Zhu, Jun-Yan Zhang, Leonardo Modesto

arxiv:1906.09043 v1 · 2019-06-21 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AIHTXB6KLDLN4VPIPZN3ZAZEFO}

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

Acausal exact vacuum solutions in nonlocal gravity

Receipt and verification

First computed	2026-05-17T23:42:44.718050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

020f3b87ca58d6de55e87e5bbc83242b8ecf30aa16fa819166e90547e9fa3793

Aliases

arxiv: 1906.09043 · arxiv_version: 1906.09043v1 · doi: 10.48550/arxiv.1906.09043 · pith_short_12: AIHTXB6KLDLN · pith_short_16: AIHTXB6KLDLN4VPI · pith_short_8: AIHTXB6K

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/AIHTXB6KLDLN4VPIPZN3ZAZEFO \
  | 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: 020f3b87ca58d6de55e87e5bbc83242b8ecf30aa16fa819166e90547e9fa3793

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "505bfd47e17e3606d6bcfa889493fb5792a9968819da6c10dceb72812e0b89a3",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-06-21T10:14:21Z",
    "title_canon_sha256": "2aabf5549f8001fb0f5672b9b2a73ec9cc1c09b8caa3845552876729fbe5dcd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09043",
    "kind": "arxiv",
    "version": 1
  }
}