Pith Number

pith:5YPKJHDF

pith:2021:5YPKJHDFI72G4UPXPB4XADHHSJ

not attested not anchored not stored refs pending

The Curious Case of ASASSN-20hx: A Slowly-Evolving, UV and X-ray Luminous, Ambiguous Nuclear Transient

Aaron Do, Anna V. Payne, Benjamin. J. Shappee, Christian Obermeier, Christopher Ashall, Christopher S. Kochanek, Daniel Gruen, David Bersier, Jack M. M. Neustadt, Jason T. Hinkle, Jonathan P. Williams, Justin Myles, Katie Auchettl, K. Z. Stanek, Mark E. Huber, Matthias Kluge, Melissa Shahbandeh, Michael A. Tucker, Michael Fausnaugh, Patrick J. Vallely, Richard S. Post, Thomas de Jaeger, Thomas W.-S. Holoien, Todd A. Thompson, Ulrich Hopp

arxiv:2108.03245 v3 · 2021-08-06 · 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{5YPKJHDFI72G4UPXPB4XADHHSJ}

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	2026-07-05T08:58:38.654293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee1ea49c6547f46e51f77879700ce79268c7bc715e914223ab16d31624248414

Aliases

arxiv: 2108.03245 · arxiv_version: 2108.03245v3 · doi: 10.48550/arxiv.2108.03245 · pith_short_12: 5YPKJHDFI72G · pith_short_16: 5YPKJHDFI72G4UPX · pith_short_8: 5YPKJHDF

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/5YPKJHDFI72G4UPXPB4XADHHSJ \
  | 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: ee1ea49c6547f46e51f77879700ce79268c7bc715e914223ab16d31624248414

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6246a8aafb7d5ee02c1baf90100df7ea77b7c12a716920489fb57bc6e2e4848f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-08-06T18:00:02Z",
    "title_canon_sha256": "34bac0698c00d3f2fcd8c0724fea4771c1061f3efa788e1b07d603c6fb77a35b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.03245",
    "kind": "arxiv",
    "version": 3
  }
}