Pith Number

pith:XRQ7CM5C

pith:2010:XRQ7CM5C2WIKSY5GDOX75XZKH7

not attested not anchored not stored refs pending

An Emerging Class of Bright, Fast-evolving Supernovae with Low-mass Ejecta

Avishay Gal-Yam, Carles Badenes, Hagai B. Perets, Iair Arcavi, Joshua D. Simon

arxiv:1008.2754 v2 · 2010-08-16 · astro-ph.HE · astro-ph.CO · 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{XRQ7CM5C2WIKSY5GDOX75XZKH7}

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	2026-05-18T02:05:47.792087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc61f133a2d590a963a61baffedf2a3fed904ce50f89d32f459281bd5b73ceae

Aliases

arxiv: 1008.2754 · arxiv_version: 1008.2754v2 · doi: 10.48550/arxiv.1008.2754 · pith_short_12: XRQ7CM5C2WIK · pith_short_16: XRQ7CM5C2WIKSY5G · pith_short_8: XRQ7CM5C

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/XRQ7CM5C2WIKSY5GDOX75XZKH7 \
  | 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: bc61f133a2d590a963a61baffedf2a3fed904ce50f89d32f459281bd5b73ceae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c248cd50c4555b662e9484c699535e5280c608f0160bef835f388bb028b1078",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-08-16T20:00:04Z",
    "title_canon_sha256": "a28b00bca27afb7c59cc1c2735a17a0f5b1fb26465b5caef4d350cdc97320bdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2754",
    "kind": "arxiv",
    "version": 2
  }
}