Pith Number

pith:VQ7KVOM3

pith:2019:VQ7KVOM3OHA72PF75HRRZOLWDY

not attested not anchored not stored refs pending

Collisional Elongation: Possible Origin of Extremely Elongated Shape of 1I/`Oumuamua

Hiroshi Kobayashi, Keisuke Sugiura, Shu-ichiro Inutsuka

arxiv:1903.06373 v1 · 2019-03-15 · 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{VQ7KVOM3OHA72PF75HRRZOLWDY}

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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	2026-05-17T23:49:38.519141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac3eaab99b71c1fd3cbfe9e31cb9761e39e973099eba9c7b30f715007194b7a9

Aliases

arxiv: 1903.06373 · arxiv_version: 1903.06373v1 · doi: 10.48550/arxiv.1903.06373 · pith_short_12: VQ7KVOM3OHA7 · pith_short_16: VQ7KVOM3OHA72PF7 · pith_short_8: VQ7KVOM3

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/VQ7KVOM3OHA72PF75HRRZOLWDY \
  | 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: ac3eaab99b71c1fd3cbfe9e31cb9761e39e973099eba9c7b30f715007194b7a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc011eb60b9c9ed2e31f988b9f1f4ecf1ae40f6c8ef8447b1aeae0c4c30c77d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-03-15T05:44:42Z",
    "title_canon_sha256": "c05c0c6de298a2423b4f7a14b9fc9dc58635834642a02e11877e21daa6cbedee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06373",
    "kind": "arxiv",
    "version": 1
  }
}