Pith Number

pith:RRINGLD2

pith:2017:RRINGLD27WWSEJ4M4GNZONVIKT

not attested not anchored not stored refs pending

Project Lyra: Sending a Spacecraft to 1I/'Oumuamua (former A/2017 U1), the Interstellar Asteroid

Adam Crowl, Adam Hibberd, Andreas M. Hein, Kieran Hayward, Nikolaos Perakis, Richard Osborne, Robert G. Kennedy III, T. Marshall Eubanks

arxiv:1711.03155 v3 · 2017-11-08 · 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{RRINGLD27WWSEJ4M4GNZONVIKT}

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	2026-05-17T23:48:06.828504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c50d32c7afdad22278ce19b9736a854e1b959f6c34d8b6471c9492adba5839a

Aliases

arxiv: 1711.03155 · arxiv_version: 1711.03155v3 · doi: 10.48550/arxiv.1711.03155 · pith_short_12: RRINGLD27WWS · pith_short_16: RRINGLD27WWSEJ4M · pith_short_8: RRINGLD2

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/RRINGLD27WWSEJ4M4GNZONVIKT \
  | 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: 8c50d32c7afdad22278ce19b9736a854e1b959f6c34d8b6471c9492adba5839a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8ae6b858a84b547fb96b2fdc420002fdaf70357eecac9ab8c6d3bcfc39e066b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2017-11-08T20:43:30Z",
    "title_canon_sha256": "6c380d923bd2104e6cbc73af9cde845ff6b90717549471e09bdb80188f77ec3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.03155",
    "kind": "arxiv",
    "version": 3
  }
}