Pith Number

pith:KU5NRBFD

pith:2018:KU5NRBFDZMNJZN54DUKASLUVUY

not attested not anchored not stored refs pending

Nebular spectroscopy of SN 2014J: Detection of stable nickel in near infrared spectra

A. Fl\"ors, B. Leibundgut, J. Spyromilio, K. Maguire, M. H. van Kerkwijk, S. Dhawan, S. Taubenberger, W. Kerzendorf

arxiv:1805.02420 v1 · 2018-05-07 · astro-ph.HE · 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{KU5NRBFDZMNJZN54DUKASLUVUY}

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	2026-05-18T00:00:45.866739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

553ad884a3cb1a9cb7bc1d14092e95a62bc1d45edbdae2599edc8f6de5f0ee28

Aliases

arxiv: 1805.02420 · arxiv_version: 1805.02420v1 · doi: 10.48550/arxiv.1805.02420 · pith_short_12: KU5NRBFDZMNJ · pith_short_16: KU5NRBFDZMNJZN54 · pith_short_8: KU5NRBFD

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/KU5NRBFDZMNJZN54DUKASLUVUY \
  | 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: 553ad884a3cb1a9cb7bc1d14092e95a62bc1d45edbdae2599edc8f6de5f0ee28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "284f1b03f0f352ee73fc8387126a6af2eb558d0cdeb59668e112be88c11eeced",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-05-07T09:51:27Z",
    "title_canon_sha256": "803ceb61e5c1e85c3117a4ba26a241b10087b8f1a092d8b91552c709a01e7246"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02420",
    "kind": "arxiv",
    "version": 1
  }
}