Pith Number

pith:4Q4TD7KR

pith:2019:4Q4TD7KRCSYRGIT6UVVKODUMGO

not attested not anchored not stored refs pending

Medium Earth Orbit dynamical survey and its use in passive debris removal

Aaron J. Rosengren, Despoina K. Skoulidou, George Voyatzis, Kleomenis Tsiganis

arxiv:1904.05669 v1 · 2019-04-11 · astro-ph.EP · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4Q4TD7KRCSYRGIT6UVVKODUMGO}

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	2026-05-17T23:48:48.782223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e43931fd5114b113227ea56aa70e8c339fb2faaf4249206ac0599e86ec1a9427

Aliases

arxiv: 1904.05669 · arxiv_version: 1904.05669v1 · doi: 10.48550/arxiv.1904.05669 · pith_short_12: 4Q4TD7KRCSYR · pith_short_16: 4Q4TD7KRCSYRGIT6 · pith_short_8: 4Q4TD7KR

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/4Q4TD7KRCSYRGIT6UVVKODUMGO \
  | 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: e43931fd5114b113227ea56aa70e8c339fb2faaf4249206ac0599e86ec1a9427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca25af75f2f79ce3ab690c470e285eca26fb33c4a48f68d5022ca78cad2269f2",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-04-11T12:54:56Z",
    "title_canon_sha256": "68352d2022247231f29f51c2a63945c16023ab73041d87191fc3377c4b9727b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05669",
    "kind": "arxiv",
    "version": 1
  }
}