Pith Number

pith:4USRF7OO

pith:2016:4USRF7OOXCGKJSC22L7NAXP2PA

not attested not anchored not stored refs pending

Testing the Strong Equivalence Principle with spacecraft ranging towards the nearby Lagrangian points

Fabrizio De Marchi, Giuseppe Congedo

arxiv:1602.05949 v2 · 2016-02-18 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4USRF7OOXCGKJSC22L7NAXP2PA}

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	2026-05-18T01:15:13.946852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e52512fdceb88ca4c85ad2fed05dfa783a3aa6a9436e647a1388befebc37bc4d

Aliases

arxiv: 1602.05949 · arxiv_version: 1602.05949v2 · doi: 10.48550/arxiv.1602.05949 · pith_short_12: 4USRF7OOXCGK · pith_short_16: 4USRF7OOXCGKJSC2 · pith_short_8: 4USRF7OO

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/4USRF7OOXCGKJSC22L7NAXP2PA \
  | 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: e52512fdceb88ca4c85ad2fed05dfa783a3aa6a9436e647a1388befebc37bc4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "852fa73dce70dedb0e1f7e81de0563870c50d8bdec415938c92ca2250d268faa",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-02-18T20:57:50Z",
    "title_canon_sha256": "54e09aba268cbd7084013c9ef54f2bb1d4c8489298e9312770dd30c1571e46ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05949",
    "kind": "arxiv",
    "version": 2
  }
}