Pith Number

pith:B3CDTGKC

pith:2015:B3CDTGKCGPAIECWRD2PUH2WNR7

not attested not anchored not stored refs pending

Measuring nickel masses in Type Ia supernovae using cobalt emission in nebular phase spectra

Antonia Morales-Garoffolo, Ashley Ruiter, Avishay Gal-Yam, Bonnie Zhang, Brad Tucker, Brian Schmidt, Christian Wolf, Cosimo Inserra, Curtis McCully, D. Andrew Howell, D. John Hillier, D. R. Young, Fang Yuan, Ivo Seitenzahl, Jason Spyromilio, Jayden Castillo, Jesper Sollerman, Joe Polshaw, Kate Maguire, Ken W. Smith, Mark Sullivan, Melissa Graham, Michael J. Childress, Morgan Fraser, Nadejda Blagorodnova, Nancy Elias-Rosa, Nicholas Walton, Ofer Yaron, Paolo A. Mazzali, Richard Scalzo, Sahana Kumar, Saurabh W. Jha, Stefano Valenti, Stefan Taubenberger, Stephen Smartt, Viraj Pandya, Yssavo Camacho

arxiv:1507.02501 v1 · 2015-07-06 · 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{B3CDTGKCGPAIECWRD2PUH2WNR7}

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	2026-05-18T01:28:04.243723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ec439994233c0820ad11e9f43eacd8ff2bb61696fbf21d347d4a556d6404bcc

Aliases

arxiv: 1507.02501 · arxiv_version: 1507.02501v1 · doi: 10.48550/arxiv.1507.02501 · pith_short_12: B3CDTGKCGPAI · pith_short_16: B3CDTGKCGPAIECWR · pith_short_8: B3CDTGKC

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/B3CDTGKCGPAIECWRD2PUH2WNR7 \
  | 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: 0ec439994233c0820ad11e9f43eacd8ff2bb61696fbf21d347d4a556d6404bcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e542f89424a2b81306aab347fc0dc2216ee1b4ed52751a83974badce5fbd8cfe",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-07-06T00:56:36Z",
    "title_canon_sha256": "1b5979be636bbc01f312cd7b6da0c410009c5d312fab7d615fba19344ae8ba0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02501",
    "kind": "arxiv",
    "version": 1
  }
}