Pith Number

pith:IRUXD77R

pith:2005:IRUXD77R7IKJZTYE4CLWW2SPIB

not attested not anchored not stored refs pending

Hypernovae, Black-Hole-Forming Supernovae, and First Stars

H. Umeda, J. Deng, K. Maeda, K. Nomoto, N. Tominaga, P.A. Mazzali, T. Ohkubo

arxiv:astro-ph/0506597 v1 · 2005-06-24 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IRUXD77R7IKJZTYE4CLWW2SPIB}

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	2026-07-04T14:14:18.960286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

446971fff1fa149ccf04e0976b6a4f406cd7cf38a4477ae52d117ae58c910c40

Aliases

arxiv: astro-ph/0506597 · arxiv_version: astro-ph/0506597v1 · doi: 10.48550/arxiv.astro-ph/0506597 · pith_short_12: IRUXD77R7IKJ · pith_short_16: IRUXD77R7IKJZTYE · pith_short_8: IRUXD77R

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/IRUXD77R7IKJZTYE4CLWW2SPIB \
  | 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: 446971fff1fa149ccf04e0976b6a4f406cd7cf38a4477ae52d117ae58c910c40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf4b2d0c994964af13208bb9379f3382eeb9f9340f15a41e08866a28273205e3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-24T14:11:09Z",
    "title_canon_sha256": "59bb04cae62d48f5d17013758934c686e2adf5441da400a54de4455f0f38d7da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506597",
    "kind": "arxiv",
    "version": 1
  }
}