Pith Number

pith:QH2CNEQD

pith:2020:QH2CNEQD2UDTX72YJOJW5VCTUE

not attested not anchored not stored refs pending

The VMC survey -- XXXVI. Young stellar variability in the Large Magellanic Cloud

Florian Niederhofer, Jacco Th. van Loon, Jim Emerson, Joana M. Oliveira, Marcella Marconi, Maria Ida Moretti, Maria-Rosa L. Cioni, Monika G. Petr-Gotzens, Ning-Chen Sun, Richard de Grijs, Stefano Rubele, Valentin D. Ivanov, Viktor Zivkov, Vincenzo Ripepi

arxiv:2002.12291 v1 · 2020-02-27 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QH2CNEQD2UDTX72YJOJW5VCTUE}

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	2026-07-05T00:47:02.306641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81f4269203d5073bff584b936ed453a13230860392d4619691c73408ace6af15

Aliases

arxiv: 2002.12291 · arxiv_version: 2002.12291v1 · doi: 10.48550/arxiv.2002.12291 · pith_short_12: QH2CNEQD2UDT · pith_short_16: QH2CNEQD2UDTX72Y · pith_short_8: QH2CNEQD

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/QH2CNEQD2UDTX72YJOJW5VCTUE \
  | 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: 81f4269203d5073bff584b936ed453a13230860392d4619691c73408ace6af15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e4db0ff62603b5df9547429390698dc3930549275f5187e5386526640bf0600",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-02-27T18:01:41Z",
    "title_canon_sha256": "ce1abc1b5ecaf0bac510df476c7115c9e37de281c10abc52f36aa18ea93beed4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.12291",
    "kind": "arxiv",
    "version": 1
  }
}