Pith Number

pith:J3KMSNRT

pith:2025:J3KMSNRTIHKXBWC6UYEVUFWI6R

not attested not anchored not stored refs pending

The initial evolution of SN 1993J: Piston phase versus standard model

C.-I. Bjornsson

arxiv:2506.07137 v1 · 2025-06-08 · 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{J3KMSNRTIHKXBWC6UYEVUFWI6R}

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	2026-07-05T11:18:02.232543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ed4c9363341d570d85ea6095a16c8f47798aea9dd999aeb3428b701680e6f7d

Aliases

arxiv: 2506.07137 · arxiv_version: 2506.07137v1 · doi: 10.48550/arxiv.2506.07137 · pith_short_12: J3KMSNRTIHKX · pith_short_16: J3KMSNRTIHKXBWC6 · pith_short_8: J3KMSNRT

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/J3KMSNRTIHKXBWC6UYEVUFWI6R \
  | 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: 4ed4c9363341d570d85ea6095a16c8f47798aea9dd999aeb3428b701680e6f7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39159db090e3a367b4e8709ae78319047a0290e2bc36d58f478ed37a78000de0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-06-08T13:33:32Z",
    "title_canon_sha256": "027353da13d24555daa1fbf2ff2611e6f5ad7a975853360c5a8e187820928e27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.07137",
    "kind": "arxiv",
    "version": 1
  }
}