Pith Number

pith:QB2ZVDY4

pith:2019:QB2ZVDY4CGER4AQY3HMLQNUI2H

not attested not anchored not stored refs pending

Forecasting satellite trajectories by interpolating hybrid orbit propagators

Alexander Wittig, Eliseo P. Vergara, Iv\'an P\'erez, Juan F\'elix San-Juan, Montserrat San-Mart\'in, Rosario L\'opez

arxiv:1902.05319 v1 · 2019-02-14 · 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{QB2ZVDY4CGER4AQY3HMLQNUI2H}

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	2026-05-17T23:54:01.230270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80759a8f1c11891e0218d9d8b83688d1f27a992b32b238d58e8256fe3dcf38d5

Aliases

arxiv: 1902.05319 · arxiv_version: 1902.05319v1 · doi: 10.48550/arxiv.1902.05319 · pith_short_12: QB2ZVDY4CGER · pith_short_16: QB2ZVDY4CGER4AQY · pith_short_8: QB2ZVDY4

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/QB2ZVDY4CGER4AQY3HMLQNUI2H \
  | 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: 80759a8f1c11891e0218d9d8b83688d1f27a992b32b238d58e8256fe3dcf38d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9bf5245d275993e1096f54e37bf33eb90e6b25f08feec9c07ea17e3a7f54a23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2019-02-14T11:57:37Z",
    "title_canon_sha256": "5af407ead9e4fa3b5dabc6a0b7d4a995fe8d0518ab8dc314b325f6a54292a7c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05319",
    "kind": "arxiv",
    "version": 1
  }
}