Pith Number

pith:PEC3A7KF

pith:2019:PEC3A7KF3AFS5SIV6ZLXS52FYY

not attested not anchored not stored refs pending

The long-lived Type IIn SN 2015da: Infrared echoes and strong interaction within an extended massive shell

A. Morales-Garoffolo, A. Nyholm, A. Pastorello, A. Rubin, A. S. Carracedo, A. Somero, C. Barbarino, C. Fransson, C. Fremling, C. McCully, D. A. Howell, D. J. Sand, D. Xiang, E. Callis, E. Cappellaro, E. Kool, E. Ofek, F. Ciabattari, F. Huang, F. Taddia, G. Hosseinzadeh, G. Terreran, H. Tan, J. Harmanen, J. Mo, J. Sollerman, J. Zhang, L. Rui, L. Tartaglia, L. Tomasella, M. Fraser, M. Turatto, N. Elias-Rosa, P. Lundqvist, S. Benetti, S. Mattila, S. Valenti, T. Kangas, T. Reynolds, T. Zhang, W. Li, X. Gao, X. Wang, Z. Jin

arxiv:1908.08580 v3 · 2019-08-22 · 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{PEC3A7KF3AFS5SIV6ZLXS52FYY}

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	2026-07-05T00:45:08.911991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7905b07d45d80b2ec915f657797745c63f461385496be9b1d92bbae26d8f0bde

Aliases

arxiv: 1908.08580 · arxiv_version: 1908.08580v3 · doi: 10.48550/arxiv.1908.08580 · pith_short_12: PEC3A7KF3AFS · pith_short_16: PEC3A7KF3AFS5SIV · pith_short_8: PEC3A7KF

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/PEC3A7KF3AFS5SIV6ZLXS52FYY \
  | 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: 7905b07d45d80b2ec915f657797745c63f461385496be9b1d92bbae26d8f0bde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a96bd6a7240d6d0c53f6ac1fc03304dcba3bb65a5c6436102fd6949b1b972e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-22T20:10:06Z",
    "title_canon_sha256": "e73739e7112306e496bc87b5404bcdaa5e8a1e02b1b2916aa81e732b8af8d43e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08580",
    "kind": "arxiv",
    "version": 3
  }
}