Pith Number

pith:KB3S7WCD

pith:2019:KB3S7WCDREDEZ74RZT3Y7VWWEU

not attested not anchored not stored refs pending

Exploring the role of X-ray reprocessing and irradiation in the anomalous bright optical outbursts of A0538-66

A. Santangelo, K. Hryniewicz, L. Ducci, P. Romano, S. Mereghetti

arxiv:1903.02918 v1 · 2019-03-07 · 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{KB3S7WCDREDEZ74RZT3Y7VWWEU}

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	2026-05-17T23:49:38.653409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50772fd84389064cff91ccf78fd6d6253df6096400f1fb0693e96ef893eef410

Aliases

arxiv: 1903.02918 · arxiv_version: 1903.02918v1 · doi: 10.48550/arxiv.1903.02918 · pith_short_12: KB3S7WCDREDE · pith_short_16: KB3S7WCDREDEZ74R · pith_short_8: KB3S7WCD

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/KB3S7WCDREDEZ74RZT3Y7VWWEU \
  | 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: 50772fd84389064cff91ccf78fd6d6253df6096400f1fb0693e96ef893eef410

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e5182eeb6b1f2a95f2a672e0897320237bd487f03be18ac7da016236b571550",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-07T14:01:22Z",
    "title_canon_sha256": "e9bb687cadf22af585c3d37c7c21265f36190de750a29027d32be6dcc0fdbd03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02918",
    "kind": "arxiv",
    "version": 1
  }
}