Pith Number

pith:NV5G4JXI

pith:2019:NV5G4JXIMLTA7DPJYLFOFXLYDO

not attested not anchored not stored refs pending

Numerical Error in Interplanetary Orbit Determination Software

Forl\`i, Italy), Marco Zannoni (1), Paolo Tortora (1) ((1) University of Bologna

arxiv:1908.07858 v1 · 2019-08-20 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NV5G4JXIMLTA7DPJYLFOFXLYDO}

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	2026-07-04T23:59:01.903281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7a6e26e862e60f8de9c2cae2dd781ba42a3ce78fa172e2226ce137223505a6

Aliases

arxiv: 1908.07858 · arxiv_version: 1908.07858v1 · doi: 10.48550/arxiv.1908.07858 · pith_short_12: NV5G4JXIMLTA · pith_short_16: NV5G4JXIMLTA7DPJ · pith_short_8: NV5G4JXI

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/NV5G4JXIMLTA7DPJYLFOFXLYDO \
  | 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: 6d7a6e26e862e60f8de9c2cae2dd781ba42a3ce78fa172e2226ce137223505a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fe3c6d6c75b6d9b1c3d8346bb174e0e33a5cd28a061c52071fe1c318b8239fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-08-20T14:21:03Z",
    "title_canon_sha256": "97ab9b1d5350e558872240c6d2b1fb06c9376f4d4c54c48d1c5ac7e46bd61dd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07858",
    "kind": "arxiv",
    "version": 1
  }
}