Pith Number

pith:LM4UU6HP

pith:2018:LM4UU6HP5XHIO3BBES7IEVKNUY

not attested not anchored not stored refs pending

The extraordinary composition of the "blue comet" C/2016 R2 (PanSTARRS)

A. McKay, D. Bockel\'ee-Morvan, E. Bertrand, F. Kugel, G. Paubert, H. Boussier, J. Boissier, J. Crovisier, M. A. DiSanti, N. Biver, N. Dello Russo, R. Moreno

arxiv:1809.08086 v1 · 2018-09-21 · 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{LM4UU6HP5XHIO3BBES7IEVKNUY}

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	2026-05-18T00:00:45.637183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b394a78efedce876c2124be82554da636c3e07086901883b96ec3c6f8a2c8f3

Aliases

arxiv: 1809.08086 · arxiv_version: 1809.08086v1 · doi: 10.48550/arxiv.1809.08086 · pith_short_12: LM4UU6HP5XHI · pith_short_16: LM4UU6HP5XHIO3BB · pith_short_8: LM4UU6HP

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/LM4UU6HP5XHIO3BBES7IEVKNUY \
  | 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: 5b394a78efedce876c2124be82554da636c3e07086901883b96ec3c6f8a2c8f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "318a0f36c3ee2d1bed4dd68db6cd47bf967c4da68467e022b9ef61864bfae83d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-09-21T13:23:03Z",
    "title_canon_sha256": "a4412c012e4a08caeac4b5663fa95b381ddf3d8d308e582b850e67cd683a20a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08086",
    "kind": "arxiv",
    "version": 1
  }
}