Pith Number

pith:YQFEN3SP

pith:2015:YQFEN3SPOXPDU2JUY3YGXPG4JA

not attested not anchored not stored refs pending

Diversity in extinction laws of Type Ia supernovae measured between $0.2$ and $2\,\mu\mathrm{m}$

A. Goobar, A. Sandberg, C. Contreras, D. A. Howell, E. Kankare, E. Varenius, E. Y. Hsiao, F. Taddia, G. Leloudas, G. \"Ostlin, H. Dahle, J. Gorosabel, J. J. Jensen, J. Johansson, J. P. U. Fynbo, J. Wiegert, K. Karhunen, L. Guaita, L. Hangard, M. Kasliwal, M. M. Phillips, M. Sullivan, N. Elias-Rosa, P. J. Brown, P. Lundqvist, P. Nugent, P. Santos, R. Amanullah, R. Ferretti, R. Herrero-Illana, S. Asadi, S. H. J. Wallstr\"om, S. Lazarevi, S. Mattila, S. Papadogiannakis, S. Seethapuram Sridhar, T. Petrushevska, V. Stanishev, Y. Cao

arxiv:1504.02101 v2 · 2015-04-08 · 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{YQFEN3SPOXPDU2JUY3YGXPG4JA}

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	2026-05-18T01:32:29.869546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c40a46ee4f75de3a6934c6f06bbcdc48152a06386b3089c291e03e9a374b96dd

Aliases

arxiv: 1504.02101 · arxiv_version: 1504.02101v2 · doi: 10.48550/arxiv.1504.02101 · pith_short_12: YQFEN3SPOXPD · pith_short_16: YQFEN3SPOXPDU2JU · pith_short_8: YQFEN3SP

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/YQFEN3SPOXPDU2JUY3YGXPG4JA \
  | 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: c40a46ee4f75de3a6934c6f06bbcdc48152a06386b3089c291e03e9a374b96dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9dc52dbb6b37ca71644be4b354d27a9582bdc0d13d3f10caa243ccd7e9a0e4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-04-08T20:01:21Z",
    "title_canon_sha256": "58e682ddc34535122d1a0e0c2dd2e37c9cf814ff765553b6752d5df3c20d361b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02101",
    "kind": "arxiv",
    "version": 2
  }
}