Pith Number

pith:WM6QKVTC

pith:2016:WM6QKVTCCIDTE2JO3UWUFYJVCT

not attested not anchored not stored refs pending

Optical photometry and spectroscopy of the 1987A-like supernova 2009mw

A. P. LaCluyze, D. Reichar, G. Folatelli, G. Pignata, J. B. Haislip, J. P. Anderson, J. P. Moore, K. Tak\'ats, M. Bersten, M. Hamuy, M. L. Rojas Kaufmann, M. Stritzinger

arxiv:1605.03136 v1 · 2016-05-10 · 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{WM6QKVTCCIDTE2JO3UWUFYJVCT}

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	2026-05-18T01:10:29.907995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b33d055662120732692edd2d42e13514f5d8df36d6ad4c2f257e2320f98f4647

Aliases

arxiv: 1605.03136 · arxiv_version: 1605.03136v1 · doi: 10.48550/arxiv.1605.03136 · pith_short_12: WM6QKVTCCIDT · pith_short_16: WM6QKVTCCIDTE2JO · pith_short_8: WM6QKVTC

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/WM6QKVTCCIDTE2JO3UWUFYJVCT \
  | 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: b33d055662120732692edd2d42e13514f5d8df36d6ad4c2f257e2320f98f4647

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c5a6b6b1741455e06cfb04fe79d6241298cb29c5bd1e13ee97662d5e9478546",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-05-10T18:12:47Z",
    "title_canon_sha256": "39e2383cd33bdf0552305397fa6baca878db4b87be114247fc85e8861a0d3dbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03136",
    "kind": "arxiv",
    "version": 1
  }
}