Pith Number

pith:SOHV4WEC

pith:2019:SOHV4WEC5ZQEDZCTFLR32EMZIF

not attested not anchored not stored refs pending

Imaging extended sources with the solar gravitational lens

Slava G. Turyshev, Viktor T. Toth

arxiv:1908.01948 v2 · 2019-08-06 · gr-qc · astro-ph.EP · astro-ph.IM · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SOHV4WEC5ZQEDZCTFLR32EMZIF}

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	2026-07-05T00:11:21.815140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

938f5e5882ee6041e4532ae3bd1199414928884d51c5edf7e9d625f6feb056e7

Aliases

arxiv: 1908.01948 · arxiv_version: 1908.01948v2 · doi: 10.48550/arxiv.1908.01948 · pith_short_12: SOHV4WEC5ZQE · pith_short_16: SOHV4WEC5ZQEDZCT · pith_short_8: SOHV4WEC

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/SOHV4WEC5ZQEDZCTFLR32EMZIF \
  | 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: 938f5e5882ee6041e4532ae3bd1199414928884d51c5edf7e9d625f6feb056e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b2406c302f4b5cc2455df73e9e77366d8476c0358343ac78deaec0b72dff0b3",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-06T04:09:40Z",
    "title_canon_sha256": "c86f6ca51de0a68f6132bbeefb0fbacfc45e4bf3025ea14c0fa196b0b1457207"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01948",
    "kind": "arxiv",
    "version": 2
  }
}