Pith Number

pith:TX6XYC5G

pith:2015:TX6XYC5GQFYH4WNPV7J33NCPI7

not attested not anchored not stored refs pending

Assessing the Observability of Hypernovae and Pair-Instability Supernovae in the Early Universe

Brandon K. Wiggins, Chris L. Fryer, Daniel J. Whalen, Joseph M. Smidt, Victor Migenes, Wesley P. Even

arxiv:1503.08147 v1 · 2015-03-27 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TX6XYC5GQFYH4WNPV7J33NCPI7}

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	2026-05-18T02:20:11.431012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dfd7c0ba681707e59afafd3bdb44f47e28e6d006ea75b517f96aeab2fcf9302

Aliases

arxiv: 1503.08147 · arxiv_version: 1503.08147v1 · doi: 10.48550/arxiv.1503.08147 · pith_short_12: TX6XYC5GQFYH · pith_short_16: TX6XYC5GQFYH4WNP · pith_short_8: TX6XYC5G

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/TX6XYC5GQFYH4WNPV7J33NCPI7 \
  | 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: 9dfd7c0ba681707e59afafd3bdb44f47e28e6d006ea75b517f96aeab2fcf9302

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aed51a115f77c24a33fca888eedfb746fdf34ccf6ccd7f6bd17aaf76782944d3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-03-27T16:59:31Z",
    "title_canon_sha256": "41d5215da255a0b98cb412329b16f2e5ed9548a71e82d470e7cc6ce16ffbb9d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08147",
    "kind": "arxiv",
    "version": 1
  }
}