Pith Number

pith:XMLDZGSX

pith:2019:XMLDZGSXAJVZE4E4G4XY6CCDVB

not attested not anchored not stored refs pending

The January 2016 eruption of recurrent nova LMC 1968

A.A. Breeveld, A. Evans, A.P. Beardmore, A. Udalski, F. Di Mille, F. Walter, G.J. Schwarz, I. Soszy\'nski, J.P. Osborne, J. Skowron, K.L. Page, M. Henze, M.J. Darnley, M.K. Szyma\'nski, N. Morrell, N.P.M. Kuin, P. Mr\'oz, R. Angeloni, R.D. Gehrz, R. Poleski, S.C. Williams, S. N. Shore, S. Starrfield, T. Bohlsen, U. Munari, V.A.R.M. Ribeiro

arxiv:1909.03281 v2 · 2019-09-07 · astro-ph.SR · 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{XMLDZGSXAJVZE4E4G4XY6CCDVB}

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	2026-07-05T00:17:14.149421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb163c9a57026b92709c372f8f0843a8683af97032538b553e65db622da93e44

Aliases

arxiv: 1909.03281 · arxiv_version: 1909.03281v2 · doi: 10.48550/arxiv.1909.03281 · pith_short_12: XMLDZGSXAJVZ · pith_short_16: XMLDZGSXAJVZE4E4 · pith_short_8: XMLDZGSX

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/XMLDZGSXAJVZE4E4G4XY6CCDVB \
  | 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: bb163c9a57026b92709c372f8f0843a8683af97032538b553e65db622da93e44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15d258471eb6766e83fa7447a23c61ad8bce36600c359090352a9d347d5264c1",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-09-07T15:11:14Z",
    "title_canon_sha256": "e55f3e6166e9c948fd4d61365de7ba4f6f5202a6ab68f100830a93b3460b78a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.03281",
    "kind": "arxiv",
    "version": 2
  }
}