Pith Number

pith:H42JUXQH

pith:2026:H42JUXQH2DT7YRAKQNO7NCX33S

not attested not anchored not stored refs pending

B-spline shaping for low-thrust interplanetary rendezvous

Julio C. Sanchez

arxiv:2607.23790 v1 · 2026-07-26 · eess.SY · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H42JUXQH2DT7YRAKQNO7NCX33S}

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	2026-07-28T01:23:11.338639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f349a5e07d0e7fc440a835df68afbdc9389ae5a718b01f3d499d465cb12a258

Aliases

arxiv: 2607.23790 · arxiv_version: 2607.23790v1 · doi: 10.48550/arxiv.2607.23790 · pith_short_12: H42JUXQH2DT7 · pith_short_16: H42JUXQH2DT7YRAK · pith_short_8: H42JUXQH

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/H42JUXQH2DT7YRAKQNO7NCX33S \
  | 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: 3f349a5e07d0e7fc440a835df68afbdc9389ae5a718b01f3d499d465cb12a258

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62da79f22da410a8da965cf2bcf4faa9a27868568165112c01ad11fc1567975a",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2026-07-26T18:27:11Z",
    "title_canon_sha256": "c4db252bae81168e7807b75e75172d56f4a2eb18aa4b614338741269e95f428a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23790",
    "kind": "arxiv",
    "version": 1
  }
}