Pith Number

pith:WLNAAOCS

pith:2020:WLNAAOCSMV76FLOI3IWZR7KAEN

not attested not anchored not stored refs pending

Late-Phase Spectropolarimetric Observations of Superluminous Supernova SN 2017egm to Probe the Geometry of the Inner Ejecta

Chien-Hsiu Lee, Cosimo Inserra, Giorgos Leloudas, Koji S. Kawabata, Masaomi Tanaka, Mattia Bulla, Paolo Mazzali, Sei Saito, Takashi J. Moriya

arxiv:2004.03140 v1 · 2020-04-07 · 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{WLNAAOCSMV76FLOI3IWZR7KAEN}

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	2026-07-05T01:05:46.664052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2da003852657fe2adc8da2d98fd40234ec606b2bd298364b08ff20ff0c4ff5c

Aliases

arxiv: 2004.03140 · arxiv_version: 2004.03140v1 · doi: 10.48550/arxiv.2004.03140 · pith_short_12: WLNAAOCSMV76 · pith_short_16: WLNAAOCSMV76FLOI · pith_short_8: WLNAAOCS

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/WLNAAOCSMV76FLOI3IWZR7KAEN \
  | 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: b2da003852657fe2adc8da2d98fd40234ec606b2bd298364b08ff20ff0c4ff5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1afc5a48b9782ceb82b17a0cb49d74ea99dff478160f17c10a5b7e9c8bf3279",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-04-07T05:55:10Z",
    "title_canon_sha256": "34780fd86ddfa7c68559e9e7437605832a7d28f1636ab9edc9ccc8b230eb6f92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03140",
    "kind": "arxiv",
    "version": 1
  }
}