Pith Number

pith:SOJYQP74

pith:2025:SOJYQP74LEPKMVV2SIRPAUHV7E

not attested not anchored not stored refs pending

Measuring Type Ia Supernova Angular-Diameter Distances with Intensity Interferometry

A. G. Kim, J. T. O'Brien, L. Wang, P. E. Nugent, Xingzhuo Chen

arxiv:2503.07725 v3 · 2025-03-10 · astro-ph.IM · 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{SOJYQP74LEPKMVV2SIRPAUHV7E}

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	2026-07-05T10:47:01.175600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9393883ffc591ea656ba9222f050f5f90f3614acb4cabcf0f94803f15e8c0a1f

Aliases

arxiv: 2503.07725 · arxiv_version: 2503.07725v3 · doi: 10.48550/arxiv.2503.07725 · pith_short_12: SOJYQP74LEPK · pith_short_16: SOJYQP74LEPKMVV2 · pith_short_8: SOJYQP74

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/SOJYQP74LEPKMVV2SIRPAUHV7E \
  | 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: 9393883ffc591ea656ba9222f050f5f90f3614acb4cabcf0f94803f15e8c0a1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dd544ae26cdc7892eaf08bb0dea73762fb0bfc7ff5fbc68894400a48fdf9305",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-03-10T18:00:03Z",
    "title_canon_sha256": "f89b6a2d8f1bf301f6e8d8aecb91ac2604a04a68cf2608d8b8b8609f981dc777"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.07725",
    "kind": "arxiv",
    "version": 3
  }
}