Pith Number

pith:LYNGAE7B

pith:2019:LYNGAE7B2KVG2VJ23DI4IIRIMM

not attested not anchored not stored refs pending

Comparison of the optical light curves of hydrogen-rich and hydrogen-poor type II supernovae

B. Englert, C. Burns, C. Contreras, E.Y. Hsiao, G. Folatelli, J. P. Anderson, L. Martinez, M. Bersten, M. D. Stritzinger, M. Hamuy, M. M. Phillips, N. Morrell, N. Suntzeff, P. J. Pessi, S. Davis

arxiv:1907.04653 v2 · 2019-07-04 · 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{LYNGAE7B2KVG2VJ23DI4IIRIMM}

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	2026-07-04T23:58:00.813184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e1a6013e1d2aa6d553ad8d1c4222863225060694e5f36b6bc7c85bf5d365207

Aliases

arxiv: 1907.04653 · arxiv_version: 1907.04653v2 · doi: 10.48550/arxiv.1907.04653 · pith_short_12: LYNGAE7B2KVG · pith_short_16: LYNGAE7B2KVG2VJ2 · pith_short_8: LYNGAE7B

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/LYNGAE7B2KVG2VJ23DI4IIRIMM \
  | 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: 5e1a6013e1d2aa6d553ad8d1c4222863225060694e5f36b6bc7c85bf5d365207

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e61811b3c3cbdc7b7f5654a4ce0eba62aedbab65f351619d501223c4b8784e4",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-07-04T18:00:03Z",
    "title_canon_sha256": "a67246e140f4cfb9cee0e057efadd263c4f399a42425f38f7f96a489e7c05aaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04653",
    "kind": "arxiv",
    "version": 2
  }
}