Pith Number

pith:XHOCEHJ7

pith:2019:XHOCEHJ7B75NNMZS5KEBBRMXT5

not attested not anchored not stored refs pending

LMC S154: the first Magellanic symbiotic recurrent nova

Berto Monard, Brent Miszalski, Joanna Mikolajewska, Krystian Ilkiewicz, Mariusz Gromadzki, Pia Amigo

arxiv:1902.02621 v1 · 2019-02-07 · astro-ph.SR · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XHOCEHJ7B75NNMZS5KEBBRMXT5}

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	2026-05-17T23:47:17.157874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9dc221d3f0ffad6b332ea8810c5979f5eab0d0a16ee6fbe1a863abffb9dd9a1

Aliases

arxiv: 1902.02621 · arxiv_version: 1902.02621v1 · doi: 10.48550/arxiv.1902.02621 · pith_short_12: XHOCEHJ7B75N · pith_short_16: XHOCEHJ7B75NNMZS · pith_short_8: XHOCEHJ7

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/XHOCEHJ7B75NNMZS5KEBBRMXT5 \
  | 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: b9dc221d3f0ffad6b332ea8810c5979f5eab0d0a16ee6fbe1a863abffb9dd9a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2238f5ffa729675d0ebeee4091dd84ac751a85ec748b27741d870c029b1265c",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-07T14:13:50Z",
    "title_canon_sha256": "302c22068ea31748e570452181630c002b367ead4828353c5964149d915daea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02621",
    "kind": "arxiv",
    "version": 1
  }
}