Pith Number

pith:CM7KDQBA

pith:2014:CM7KDQBAP3LYSEWGUHAJ7R5RUK

not attested not anchored not stored refs pending

Efficient formulation of the periodic corrections in Brouwer's gravity solution

Martin Lara

arxiv:1407.8076 v2 · 2014-07-30 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CM7KDQBAP3LYSEWGUHAJ7R5RUK}

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	2026-05-18T01:34:57.455093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

133ea1c0207ed78912c6a1c09fc7b1a299dedda75324b44d4a79c48afe98072f

Aliases

arxiv: 1407.8076 · arxiv_version: 1407.8076v2 · doi: 10.48550/arxiv.1407.8076 · pith_short_12: CM7KDQBAP3LY · pith_short_16: CM7KDQBAP3LYSEWG · pith_short_8: CM7KDQBA

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/CM7KDQBAP3LYSEWGUHAJ7R5RUK \
  | 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: 133ea1c0207ed78912c6a1c09fc7b1a299dedda75324b44d4a79c48afe98072f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "643a489396bede2b5d3a61695e338eddc8ef9e8624b0d61da7e90c313508ee58",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-07-30T15:11:56Z",
    "title_canon_sha256": "8e65be8dc14843033e6458071a4e56da35c71ebafa384ec9a7690b187f0c14df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8076",
    "kind": "arxiv",
    "version": 2
  }
}