Pith Number

pith:2R2MXVTM

pith:2006:2R2MXVTMKFRLWQW4TCXTNHZ5W6

not attested not anchored not stored refs pending

Geodesics on the Ellipsoid and Monodromy

Alexey V. Bolsinov, Chris M. Davison, Holger R. Dullin

arxiv:math-ph/0609073 v1 · 2006-09-26 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2R2MXVTMKFRLWQW4TCXTNHZ5W6}

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	2026-05-18T03:20:07.060829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d474cbd66c5162bb42dc98af369f3db7ae4001263f89559af737f6c3fef5b6b4

Aliases

arxiv: math-ph/0609073 · arxiv_version: math-ph/0609073v1 · doi: 10.48550/arxiv.math-ph/0609073 · pith_short_12: 2R2MXVTMKFRL · pith_short_16: 2R2MXVTMKFRLWQW4 · pith_short_8: 2R2MXVTM

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/2R2MXVTMKFRLWQW4TCXTNHZ5W6 \
  | 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: d474cbd66c5162bb42dc98af369f3db7ae4001263f89559af737f6c3fef5b6b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d67fcf83baeaad42d3f6e25dc47b0ec54fca331c9098036320d9ef0565fa1387",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2006-09-26T15:21:54Z",
    "title_canon_sha256": "1f81d42a640a5d704493f75b8d59945a5156c9343eb325c703764e9d197a074c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0609073",
    "kind": "arxiv",
    "version": 1
  }
}