Pith Number

pith:2PUUJWKJ

pith:2020:2PUUJWKJVENGX2YV6ZFE4HFP2X

not attested not anchored not stored refs pending

Supernova SN 2020faa -- an iPTF14hls look-alike?

A. A. Mahabal, A. Horesh, B. Rusholme, D. A. Perley, E. C. Kool, F. J. Masci, J. Sollerman, M. Kasliwal, N. Strotjohann, P. Nugent, R. Lunnan, R. Riddle, S. Schulze, S. Yang, T. Kupfer, T.-W. Chen, Y. Sharma

arxiv:2009.07270 v1 · 2020-09-15 · 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{2PUUJWKJVENGX2YV6ZFE4HFP2X}

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	2026-07-05T02:12:24.687886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3e944d949a91a6beb15f64a4e1cafd5ecf5775c3a35074919bae7003dfd59b3

Aliases

arxiv: 2009.07270 · arxiv_version: 2009.07270v1 · doi: 10.48550/arxiv.2009.07270 · pith_short_12: 2PUUJWKJVENG · pith_short_16: 2PUUJWKJVENGX2YV · pith_short_8: 2PUUJWKJ

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/2PUUJWKJVENGX2YV6ZFE4HFP2X \
  | 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: d3e944d949a91a6beb15f64a4e1cafd5ecf5775c3a35074919bae7003dfd59b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9459d76f1a0d34ebf8673d006aede8174b50b075c829d0927231a6a85422f88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-09-15T17:59:55Z",
    "title_canon_sha256": "e6bb34a0455ea05750c11ecb585f414f0ad47ecccdad98b2c4be6dbf3a3877cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.07270",
    "kind": "arxiv",
    "version": 1
  }
}