Pith Number

pith:V7U2WCDY

pith:2017:V7U2WCDYI4JVB4SYU62A3TUSYV

not attested not anchored not stored refs pending

Sun-Earth Lagrange reference for fundamental physics and navigation

Angelo Tartaglia, David Lucchesi, Enrico Lorenzini, Giovanni Pucacco, Matteo Luca Ruggiero, Pavol Valko

arxiv:1701.08217 v3 · 2017-01-27 · 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{V7U2WCDYI4JVB4SYU62A3TUSYV}

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	2026-05-18T00:27:21.802646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afe9ab0878471350f258a7b40dce92c54ace797ad53e4784bcb1dbf76e80407e

Aliases

arxiv: 1701.08217 · arxiv_version: 1701.08217v3 · doi: 10.48550/arxiv.1701.08217 · pith_short_12: V7U2WCDYI4JV · pith_short_16: V7U2WCDYI4JVB4SY · pith_short_8: V7U2WCDY

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/V7U2WCDYI4JVB4SYU62A3TUSYV \
  | 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: afe9ab0878471350f258a7b40dce92c54ace797ad53e4784bcb1dbf76e80407e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "338aa3d73ba31052e756b62f4b140afea8be2ef1da9e5ff6797ac1041bc2d31b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-01-27T23:06:44Z",
    "title_canon_sha256": "5dada42bfa3adb5b908119a9664ca133d9a889104cc2d90b7eed32504bb499f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08217",
    "kind": "arxiv",
    "version": 3
  }
}