Pith Number

pith:NHZZKY2D

pith:2011:NHZZKY2DYGD5HM4GVE33I6DRAC

not attested not anchored not stored refs pending

Naked Singularity Formation In f(R) Gravity

A. H. Ziaie, K. Atazadeh, S. M. M. Rasouli

arxiv:1106.5638 v1 · 2011-06-28 · 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{NHZZKY2DYGD5HM4GVE33I6DRAC}

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	2026-05-18T02:01:29.886671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69f3956343c187d3b386a937b478710093b85960e601e9a0e12501bb9a2e5fc5

Aliases

arxiv: 1106.5638 · arxiv_version: 1106.5638v1 · doi: 10.48550/arxiv.1106.5638 · pith_short_12: NHZZKY2DYGD5 · pith_short_16: NHZZKY2DYGD5HM4G · pith_short_8: NHZZKY2D

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/NHZZKY2DYGD5HM4GVE33I6DRAC \
  | 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: 69f3956343c187d3b386a937b478710093b85960e601e9a0e12501bb9a2e5fc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "020f737c4ac9d4645d84e7b0e871b5d274c4560235523dd657c459f52b8d9cb9",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-06-28T12:15:41Z",
    "title_canon_sha256": "d918a402d83b92da6f083c50bc79ef4ac9260c0a328d26291c4e016e9452b897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5638",
    "kind": "arxiv",
    "version": 1
  }
}