Pith Number

pith:2BZJZ6FI

pith:2017:2BZJZ6FI2L6CLPR7W2HII3ZADK

not attested not anchored not stored refs pending

1I/2017 U1 (`Oumuamua) is Hot: Imaging, Spectroscopy and Search of Meteor Activity

Michael S. P. Kelley, Peter G. Brown, Qicheng Zhang, Quan-Zhi Ye

arxiv:1711.02320 v2 · 2017-11-07 · 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{2BZJZ6FI2L6CLPR7W2HII3ZADK}

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	2026-05-18T00:27:41.820979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0729cf8a8d2fc25be3fb68e846f201a95a7de27ed275b9b490aa99d3b870a4e

Aliases

arxiv: 1711.02320 · arxiv_version: 1711.02320v2 · doi: 10.48550/arxiv.1711.02320 · pith_short_12: 2BZJZ6FI2L6C · pith_short_16: 2BZJZ6FI2L6CLPR7 · pith_short_8: 2BZJZ6FI

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/2BZJZ6FI2L6CLPR7W2HII3ZADK \
  | 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: d0729cf8a8d2fc25be3fb68e846f201a95a7de27ed275b9b490aa99d3b870a4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "228cf319fe73c6e9146393ed2dc3b611b8cdf08665e2269847effea407b24046",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-11-07T07:23:45Z",
    "title_canon_sha256": "983d793a5acff532a073b626b08711cc24b7b819c219d7e81707ebb8cb84db75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02320",
    "kind": "arxiv",
    "version": 2
  }
}