Pith Number

pith:B4PHOURG

pith:2019:B4PHOURGYMMRX764MX6RAAMJWE

not attested not anchored not stored refs pending

Multi-waveband detection of quasi-periodic pulsations in a stellar flare on EK Draconis observed by XMM-Newton

A.E.L. Thomas, A.-M. Broomhall, C.E. Pugh, J.P. Pye, S.R. Rosen

arxiv:1908.06033 v1 · 2019-08-16 · 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{B4PHOURGYMMRX764MX6RAAMJWE}

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	2026-07-05T00:08:37.176088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f1e775226c3191bffdc65fd100189b138493f488048d2ce125b290a8d8ddf47

Aliases

arxiv: 1908.06033 · arxiv_version: 1908.06033v1 · doi: 10.48550/arxiv.1908.06033 · pith_short_12: B4PHOURGYMMR · pith_short_16: B4PHOURGYMMRX764 · pith_short_8: B4PHOURG

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/B4PHOURGYMMRX764MX6RAAMJWE \
  | 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: 0f1e775226c3191bffdc65fd100189b138493f488048d2ce125b290a8d8ddf47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3f4647e77ccf34c9a1f5c6d18b579a7bd8d62ccdeeef216359434de90225969",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-16T15:40:47Z",
    "title_canon_sha256": "03945eee2452af2e9815c0810b815cc10178b893b05fd2c77b8c28ea0b760c4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06033",
    "kind": "arxiv",
    "version": 1
  }
}