Pith Number

pith:PQSLKY42

pith:2020:PQSLKY42ZRJWPO4ZVFWQWB4535

not attested not anchored not stored refs pending

SN 2020ank: a bright and fast-evolving H-deficient superluminous supernova

Amar Aryan, Amit Kumar, Anirban Dutta, Avinash Singh, Brajesh Kumar, D. K. Sahu, G. C. Anupama, Kuntal Misra, Rahul Gupta, S. B. Pandey

arxiv:2012.15251 v2 · 2020-12-30 · 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{PQSLKY42ZRJWPO4ZVFWQWB4535}

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	2026-07-05T02:09:55.663278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c24b5639acc5367bb99a96d0b079ddf4af465a9268101f1049984c6fd1ddb4a

Aliases

arxiv: 2012.15251 · arxiv_version: 2012.15251v2 · doi: 10.48550/arxiv.2012.15251 · pith_short_12: PQSLKY42ZRJW · pith_short_16: PQSLKY42ZRJWPO4Z · pith_short_8: PQSLKY42

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/PQSLKY42ZRJWPO4ZVFWQWB4535 \
  | 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: 7c24b5639acc5367bb99a96d0b079ddf4af465a9268101f1049984c6fd1ddb4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0d3975a19cbe9180337b3e6ef80794ca2a5467bf3157a35ab121a1ce7722fb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-12-30T18:02:23Z",
    "title_canon_sha256": "ccac5a6283663a7eb17d1d2d269f33ebb33a20d2012c91f9f44aa6de3a5c956b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.15251",
    "kind": "arxiv",
    "version": 2
  }
}