Pith Number

pith:HTK5AZHG

pith:2022:HTK5AZHGHRNMQA75F4O5WI5YKM

not attested not anchored not stored refs pending

Physical Considerations for an Intercept Mission to a 1I/'Oumuamua-like Interstellar Object

Abigail White, Abraham Loeb, Amaya Moro-Martin, Amir Siraj, Frank Laukien, Gary Melnick, Jonathan Grindlay, Mark Elowitz, Richard Cloete, Wesley Watters

arxiv:2211.02120 v1 · 2022-11-03 · astro-ph.EP · 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{HTK5AZHGHRNMQA75F4O5WI5YKM}

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	2026-07-05T05:13:11.821670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cd5d064e63c5ac803fd2f1ddb23b8533f69310daa979dba5fecdfc0ca021abb

Aliases

arxiv: 2211.02120 · arxiv_version: 2211.02120v1 · doi: 10.48550/arxiv.2211.02120 · pith_short_12: HTK5AZHGHRNM · pith_short_16: HTK5AZHGHRNMQA75 · pith_short_8: HTK5AZHG

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/HTK5AZHGHRNMQA75F4O5WI5YKM \
  | 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: 3cd5d064e63c5ac803fd2f1ddb23b8533f69310daa979dba5fecdfc0ca021abb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c2f186eeb6872f48e76f5ad93926f16d08262efa673b8414738d0ee6abc6609",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-11-03T19:49:11Z",
    "title_canon_sha256": "b52b1d10b009f57b5c0e47c6928a9cf213154e2b131c0594f2e363f75b5e0fb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.02120",
    "kind": "arxiv",
    "version": 1
  }
}