Pith Number

pith:SYNP7NRM

pith:2017:SYNP7NRMV5EEVJW3ZPIH3MDMLX

not attested not anchored not stored refs pending

Early Blue Excess from the Type Ia Supernova 2017cbv and Implications for Its Progenitor

Curtis McCully, D. Andrew Howell, Daniel Kasen, David J. Sand, Eric Y. Hsiao, Griffin Hosseinzadeh, Iair Arcavi, K. Azalee Bostroem, Leonardo Tartaglia, Maximilian D. Stritzinger, Melissa Shahbandeh, Peter Brown, Scott Davis, Stefano Valenti

arxiv:1706.08990 v3 · 2017-06-27 · 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{SYNP7NRMV5EEVJW3ZPIH3MDMLX}

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	2026-05-18T00:38:02.009058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

961affb62caf484aa6dbcbd07db06c5dc3fdb469e2c07ef40f1c6f5c7c1b40fb

Aliases

arxiv: 1706.08990 · arxiv_version: 1706.08990v3 · doi: 10.48550/arxiv.1706.08990 · pith_short_12: SYNP7NRMV5EE · pith_short_16: SYNP7NRMV5EEVJW3 · pith_short_8: SYNP7NRM

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/SYNP7NRMV5EEVJW3ZPIH3MDMLX \
  | 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: 961affb62caf484aa6dbcbd07db06c5dc3fdb469e2c07ef40f1c6f5c7c1b40fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f5ce511be4e796d74af70a580e4052d769b69304d3b40b2747464982006e459",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-06-27T18:09:51Z",
    "title_canon_sha256": "eb4f54cf161022765610dd262ac5c7615225240bedd7713b7f163dc86a659751"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.08990",
    "kind": "arxiv",
    "version": 3
  }
}