Pith Number

pith:QZYNWMQE

pith:2018:QZYNWMQE5OWWHSSC6TOHE7WCQU

not attested not anchored not stored refs pending

Constraints on the Density and Internal Strength of 1I/'Oumuamua

Andrew McNeill, David E. Trilling, Michael Mommert

arxiv:1803.09864 v1 · 2018-03-27 · 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{QZYNWMQE5OWWHSSC6TOHE7WCQU}

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.

Cited by

1 paper in Pith

The Natural History of 'Oumuamua

Receipt and verification

First computed	2026-05-18T00:17:38.088991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8670db3204ebad63ca42f4dc727ec285023acdb05a9c1d1ce0cfb8b7f0635680

Aliases

arxiv: 1803.09864 · arxiv_version: 1803.09864v1 · doi: 10.48550/arxiv.1803.09864 · pith_short_12: QZYNWMQE5OWW · pith_short_16: QZYNWMQE5OWWHSSC · pith_short_8: QZYNWMQE

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/QZYNWMQE5OWWHSSC6TOHE7WCQU \
  | 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: 8670db3204ebad63ca42f4dc727ec285023acdb05a9c1d1ce0cfb8b7f0635680

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46ba79eddec8e5407c820e3ecc005648ac22048aabdc0833000197b6d06d1d44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-03-27T03:04:52Z",
    "title_canon_sha256": "4d93fffa49b017a0e95566edcb96beccb5b5577aa110d3e7f0b294967a65d61f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09864",
    "kind": "arxiv",
    "version": 1
  }
}