Pith Number

pith:SQ4ERYTT

pith:2017:SQ4ERYTTKVCZ3GMZLNGM3BMIFT

not attested not anchored not stored refs pending

The tumbling rotational state of 1I/`Oumuamua

Alan Fitzsimmons, Colin Snodgrass, Igor Smoli'c, Michele T. Bannister, Pedro Lacerda, Petr Pravec, Wesley C. Fraser

arxiv:1711.11530 v2 · 2017-11-30 · 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{SQ4ERYTTKVCZ3GMZLNGM3BMIFT}

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	2026-05-18T00:21:04.423813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

943848e27355459d99995b4ccd85882cf13f003561d1051831406b8ba6d31791

Aliases

arxiv: 1711.11530 · arxiv_version: 1711.11530v2 · doi: 10.48550/arxiv.1711.11530 · pith_short_12: SQ4ERYTTKVCZ · pith_short_16: SQ4ERYTTKVCZ3GMZ · pith_short_8: SQ4ERYTT

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/SQ4ERYTTKVCZ3GMZLNGM3BMIFT \
  | 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: 943848e27355459d99995b4ccd85882cf13f003561d1051831406b8ba6d31791

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "553b38ca53f69db784730904a86f1b71ddf31d065a2a725b15c3d967f487c8fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-11-30T17:41:54Z",
    "title_canon_sha256": "328586a807b547cbbed6e89dac427e8f010f86b5ddb87627fd116bdb1d2b1020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.11530",
    "kind": "arxiv",
    "version": 2
  }
}