Pith Number

pith:WZMQUG3W

pith:2016:WZMQUG3WIKH5ZUAJNEVSC4QS3Q

not attested not anchored not stored refs pending

An Optical and Near-Infrared Study of the Type Ia/IIn Supernova PS15si

Alexei V. Filippenko, Charles D. Kilpatrick, George H. Rieke, Jennifer E. Andrews, Nathan Smith, Peter Milne, Weikang Zheng

arxiv:1606.00872 v1 · 2016-06-02 · astro-ph.SR · 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{WZMQUG3WIKH5ZUAJNEVSC4QS3Q}

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	2026-05-18T01:08:09.073620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6590a1b76428fdcd009692b217212dc1e267caa727638af6428efe2a25f149d

Aliases

arxiv: 1606.00872 · arxiv_version: 1606.00872v1 · doi: 10.48550/arxiv.1606.00872 · pith_short_12: WZMQUG3WIKH5 · pith_short_16: WZMQUG3WIKH5ZUAJ · pith_short_8: WZMQUG3W

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/WZMQUG3WIKH5ZUAJNEVSC4QS3Q \
  | 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: b6590a1b76428fdcd009692b217212dc1e267caa727638af6428efe2a25f149d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d8aea48975c1173d85df7ab430e248fc6e29fb3f91a3e7a866a01fde1158762",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-06-02T20:52:30Z",
    "title_canon_sha256": "e7d8b77a91e083c6157a8143f12143d6d07e53a6e30557ed9746f7ad7c3e056b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.00872",
    "kind": "arxiv",
    "version": 1
  }
}