Pith Number

pith:QMJYBHFS

pith:2021:QMJYBHFSNIPOOPMX6SMOAUNP77

not attested not anchored not stored refs pending

Non-self-intersecting trajectories and their applications to satellite constellation design and orbital capacity

David Arnas, Richard Linares

arxiv:2110.07823 v1 · 2021-10-15 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMJYBHFSNIPOOPMX6SMOAUNP77}

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	2026-07-05T03:22:50.268571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8313809cb26a1ee73d97f498e051afffeb650a798b71b3b70be43e6d2bc765e1

Aliases

arxiv: 2110.07823 · arxiv_version: 2110.07823v1 · doi: 10.48550/arxiv.2110.07823 · pith_short_12: QMJYBHFSNIPO · pith_short_16: QMJYBHFSNIPOOPMX · pith_short_8: QMJYBHFS

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/QMJYBHFSNIPOOPMX6SMOAUNP77 \
  | 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: 8313809cb26a1ee73d97f498e051afffeb650a798b71b3b70be43e6d2bc765e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d64a3e99943418a186491249532c41da1ac8da5a6be25b2ed99894e7d43deb0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-10-15T02:37:23Z",
    "title_canon_sha256": "2f5dedf125b094c9703fc4c49ada53b5be4d305a9452df249f72e2ed253636c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.07823",
    "kind": "arxiv",
    "version": 1
  }
}