Pith Number

pith:QGRPLRRF

pith:2014:QGRPLRRFVVFT4BNIOGSMCFJXTY

not attested not anchored not stored refs pending

Core-collapse and Type Ia supernovae with the SKA

A. Alberdi, C. Romero-Ca\~nizales, E. Ros, J. Conway, J. M. Marcaide, M. A. P\'erez-Torres, M. Della Valle, P. Lundqvist, R. Herrero-Illana, R. J. Beswick, S. Mattila, S. Ryder, T. Murphy

arxiv:1409.1827 v2 · 2014-09-05 · astro-ph.HE · astro-ph.CO · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QGRPLRRFVVFT4BNIOGSMCFJXTY}

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	2026-05-18T02:27:58.541531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81a2f5c625ad4b3e05a871a4c115379e1e7bbc04b30f3c9ca235ba18b20e13fa

Aliases

arxiv: 1409.1827 · arxiv_version: 1409.1827v2 · doi: 10.48550/arxiv.1409.1827 · pith_short_12: QGRPLRRFVVFT · pith_short_16: QGRPLRRFVVFT4BNI · pith_short_8: QGRPLRRF

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/QGRPLRRFVVFT4BNIOGSMCFJXTY \
  | 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: 81a2f5c625ad4b3e05a871a4c115379e1e7bbc04b30f3c9ca235ba18b20e13fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c3e58afc451a50fb3ff16e3a06f8580aa7f645eede0a56c1313657375a73bd5",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-09-05T14:50:41Z",
    "title_canon_sha256": "969c4fb79602bd481a994765fb7708d2b5f7831e5a66cb5bcb56254efe1f4e8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1827",
    "kind": "arxiv",
    "version": 2
  }
}