Pith Number

pith:DKXYXRX7

pith:2019:DKXYXRX7R7FLM6CJCE7MPVYGOS

not attested not anchored not stored refs pending

Carnegie Supernova Project-II: Using Near-Infrared Spectroscopy to determine the location of the outer $^{56}$Ni in Type Ia Supernovae

A. L. Piro, C. Ashall, C. Burns, C. Contreras, D. J. Sand, E. Baron, E. Y. Hsiao, F. Taddia, G. H. Marion, K. Krisciunas, L. Galbany, M. M. Phillips, M. Shahbandeh, M. Stritzinger, N. B. Suntzeff, N. Morrell, P. Hoeflich, R. P. Kirshner, S. Davis, S. Holmbo

arxiv:1902.10088 v2 · 2019-02-26 · 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{DKXYXRX7R7FLM6CJCE7MPVYGOS}

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	2026-05-17T23:47:57.966546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1aaf8bc6ff8fcab67849113ec7d70674a0292d3f76150c7f2b881eabb547338b

Aliases

arxiv: 1902.10088 · arxiv_version: 1902.10088v2 · doi: 10.48550/arxiv.1902.10088 · pith_short_12: DKXYXRX7R7FL · pith_short_16: DKXYXRX7R7FLM6CJ · pith_short_8: DKXYXRX7

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/DKXYXRX7R7FLM6CJCE7MPVYGOS \
  | 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: 1aaf8bc6ff8fcab67849113ec7d70674a0292d3f76150c7f2b881eabb547338b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31e5766cedf600da263858a024eeb4d9c3075ed246f2459e0c28f64129878987",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-26T18:04:56Z",
    "title_canon_sha256": "c9c911c81f7eda6603b1fe7469a6179c591f71829688718a8338c24a0cb7435c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10088",
    "kind": "arxiv",
    "version": 2
  }
}