Pith Number

pith:FKM2OS6D

pith:2022:FKM2OS6DLT6FEZL2SMSSND3Z6X

not attested not anchored not stored refs pending

SN 2016iyc: A Type IIb supernova arising from a low-mass progenitor

Alexei V. Filippenko, Amar Aryan, Amit Kumar, Amit Kumar Ror, Andrew Halle, Charles D. Kilpatrick, Goni Halevi, Jeffrey Molloy, Jozsef Vinko, Rahul Gupta, Ryoma Ouchi, Sahana Kumar, S. B. Pandey, Thomas G. Brink, Weikang Zheng

arxiv:2208.07377 v2 · 2022-08-15 · 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{FKM2OS6DLT6FEZL2SMSSND3Z6X}

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	2026-07-05T04:53:43.991054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a99a74bc35cfc52657a9325268f79f5f333f4a5ae2fa17899d15d8e9bafce59

Aliases

arxiv: 2208.07377 · arxiv_version: 2208.07377v2 · doi: 10.48550/arxiv.2208.07377 · pith_short_12: FKM2OS6DLT6F · pith_short_16: FKM2OS6DLT6FEZL2 · pith_short_8: FKM2OS6D

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/FKM2OS6DLT6FEZL2SMSSND3Z6X \
  | 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: 2a99a74bc35cfc52657a9325268f79f5f333f4a5ae2fa17899d15d8e9bafce59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "805dfed93e00a27808d1027b44ae2c12248d9b26500baabf236078ff2fc9f768",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-08-15T18:00:02Z",
    "title_canon_sha256": "3410d25d900c9bf459e88c88b5d011347c84f06940a8d8a4e6792d230a8814f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.07377",
    "kind": "arxiv",
    "version": 2
  }
}