Pith Number

pith:XJB2LLLU

pith:2022:XJB2LLLU6TQFPZDBT6UBDXNWON

not attested not anchored not stored refs pending

Nebular-Phase Spectra of Type Ia Supernovae from the Las Cumbres Observatory Global Supernova Project

C. McCully, D. A. Howell, D. Hiramatsu, D. J. Sand, E. Y. Hsiao, G. Hosseinzadeh, J. Burke, J. C. Wheeler, J. Vinko, K. A. Bostroem, L. Galbany, M. L. Graham, P. Hoeflich, R. C. Amaro, S. Kumar, S. W. Jha, T. Diamond, T. D. Kennedy, W. Li, X. Wang

arxiv:2201.07864 v1 · 2022-01-19 · 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{XJB2LLLU6TQFPZDBT6UBDXNWON}

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	2026-07-05T03:55:18.015679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba43a5ad74f4e057e4619fa811ddb6737cc43d3c0f9c1828c3261382ceac6353

Aliases

arxiv: 2201.07864 · arxiv_version: 2201.07864v1 · doi: 10.48550/arxiv.2201.07864 · pith_short_12: XJB2LLLU6TQF · pith_short_16: XJB2LLLU6TQFPZDB · pith_short_8: XJB2LLLU

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/XJB2LLLU6TQFPZDBT6UBDXNWON \
  | 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: ba43a5ad74f4e057e4619fa811ddb6737cc43d3c0f9c1828c3261382ceac6353

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11f7a9f6249fdb5ae3463b7bf91054daa4e67cafa25b2fc6fde31eae6b432264",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-01-19T21:14:50Z",
    "title_canon_sha256": "31cfe0e304b5c600db86f8610eedd4dfb871cf2b50a811622411dc9c8d23acab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07864",
    "kind": "arxiv",
    "version": 1
  }
}