Pith Number

pith:2VVJOINQ

pith:2018:2VVJOINQTHBCG2U7FRTAMBQVS4

not attested not anchored not stored refs pending

Origin of 1I/'Oumuamua. I. An ejected protoplanetary disk object?

Amaya Moro-Mart\'in

arxiv:1810.02148 v2 · 2018-10-04 · 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{2VVJOINQTHBCG2U7FRTAMBQVS4}

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	2026-05-18T00:01:57.522564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d56a9721b099c2236a9f2c660606159703dee760caee341fafff339b68ba84b7

Aliases

arxiv: 1810.02148 · arxiv_version: 1810.02148v2 · doi: 10.48550/arxiv.1810.02148 · pith_short_12: 2VVJOINQTHBC · pith_short_16: 2VVJOINQTHBCG2U7 · pith_short_8: 2VVJOINQ

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/2VVJOINQTHBCG2U7FRTAMBQVS4 \
  | 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: d56a9721b099c2236a9f2c660606159703dee760caee341fafff339b68ba84b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "819b2fc00c3f7b660e3ddaa11677a7a4bf2a230976cf39a982f7432a5be5a35d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-10-04T11:27:18Z",
    "title_canon_sha256": "df22192c94a99bcc7e0134e69f0929a124b642b02a654234fe286094862544c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02148",
    "kind": "arxiv",
    "version": 2
  }
}