Pith Number

pith:LUVIO5LE

pith:2018:LUVIO5LETYTIPJ4HNF2622OXY2

not attested not anchored not stored refs pending

Eta Carinae's Declining Outflow Seen in the UV, 2002-2015

John C. Martin, Kazunori Ishibashi, Kris Davidson, Roberta M. Humphreys

arxiv:1804.07400 v1 · 2018-04-19 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LUVIO5LETYTIPJ4HNF2622OXY2}

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	2026-05-18T00:15:14.332814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d2a8775649e2687a7876975ed69d7c6bcfddde9329622ab8e18da1cf024135c

Aliases

arxiv: 1804.07400 · arxiv_version: 1804.07400v1 · doi: 10.48550/arxiv.1804.07400 · pith_short_12: LUVIO5LETYTI · pith_short_16: LUVIO5LETYTIPJ4H · pith_short_8: LUVIO5LE

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/LUVIO5LETYTIPJ4HNF2622OXY2 \
  | 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: 5d2a8775649e2687a7876975ed69d7c6bcfddde9329622ab8e18da1cf024135c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac6bb0dfbb67288d48bbdba7890f8b7438c44765a2645f352dd9bd76b7de74ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-19T23:09:17Z",
    "title_canon_sha256": "b829a7394cdc94b43a9277b8b334e68bfb5b6504c56f246bce4a62bdfb8b48d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07400",
    "kind": "arxiv",
    "version": 1
  }
}