Pith Number

pith:FRJV4J6V

pith:2018:FRJV4J6VOSUFVJMTPYSF3LMECV

not attested not anchored not stored refs pending

Nebular Spectroscopy of the `Blue Bump' Type Ia Supernova 2017cbv

C. McCully, C. Wheeler, D. A. Howell, D. Hiramatsu, D. J. Sand, D. Kasen, E. Y. Hsiao, G. H. Marion, G. Hosseinzadeh, J. Boty\'anszki, J. Burke, L. Tartaglia, M. L. Graham, N. Suntzeff, R. Cartier, S. Kumar, S. Valenti, S. W. Jha, S. Wyatt, T. Diamond

arxiv:1804.03666 v2 · 2018-04-10 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRJV4J6VOSUFVJMTPYSF3LMECV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:08:15.032818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c535e27d574a85aa5937e245dad841548b1087c431684bfee3c661be816b962

Aliases

arxiv: 1804.03666 · arxiv_version: 1804.03666v2 · doi: 10.48550/arxiv.1804.03666 · pith_short_12: FRJV4J6VOSUF · pith_short_16: FRJV4J6VOSUFVJMT · pith_short_8: FRJV4J6V

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/FRJV4J6VOSUFVJMTPYSF3LMECV \
  | 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: 2c535e27d574a85aa5937e245dad841548b1087c431684bfee3c661be816b962

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8667ddd89e0a355427276837b4728a5bdfe08c4ab73c86e18285f35888ed8ff",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-10T18:00:13Z",
    "title_canon_sha256": "aa4e6ffdf9f21e97091db3343b5062de7ce4717ffc46374aed5069db54e93829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03666",
    "kind": "arxiv",
    "version": 2
  }
}