Pith Number

pith:Z3VE3YUA

pith:2021:Z3VE3YUAGAIX7T2ISJQIIHT3AI

not attested not anchored not stored refs pending

Late-Time Hubble Space Telescope Observations of a Hydrogen-Poor Superluminous Supernova Reveal the Power-Law Decline of a Magnetar Central Engine

(2) Harvard/CfA, (3) University of Birmingham), Edo Berger (2), Griffin Hosseinzadeh (2) ((1) Northwestern/CIERA, Matt Nicholl (3), Peter K. Blanchard (1), Ryan Chornock (1), Sebastian Gomez (2)

arxiv:2105.03475 v1 · 2021-05-07 · 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{Z3VE3YUAGAIX7T2ISJQIIHT3AI}

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	2026-07-05T03:32:02.712460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ceea4de28030117fcf489260841e7b023508ef0554950e06a73305aff3f49bd9

Aliases

arxiv: 2105.03475 · arxiv_version: 2105.03475v1 · doi: 10.48550/arxiv.2105.03475 · pith_short_12: Z3VE3YUAGAIX · pith_short_16: Z3VE3YUAGAIX7T2I · pith_short_8: Z3VE3YUA

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/Z3VE3YUAGAIX7T2ISJQIIHT3AI \
  | 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: ceea4de28030117fcf489260841e7b023508ef0554950e06a73305aff3f49bd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb68b8eaa15acc78f2e3fa8819cb1390da62ce786b28bd51074851ad190f57ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-05-07T19:24:59Z",
    "title_canon_sha256": "c17197fb843e58e3ed80e4df4ce0da6108b3f8423cbbb9036cfbc086211a521f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.03475",
    "kind": "arxiv",
    "version": 1
  }
}