Pith Number

pith:FAKJMVJ3

pith:2021:FAKJMVJ3VICB3WDHMGRXVZTNS5

not attested not anchored not stored refs pending

A systematic comparison of ionization temperatures between ionizing and recombining plasmas in supernova remnants

Katsuji Koyama, Masayoshi Nobukawa, Shigeo Yamauchi

arxiv:2104.02375 v1 · 2021-04-06 · 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{FAKJMVJ3VICB3WDHMGRXVZTNS5}

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	2026-07-05T02:39:17.530254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

281496553baa041dd86761a37ae66d977f9ffb4661f83372e46031ec9cdd0723

Aliases

arxiv: 2104.02375 · arxiv_version: 2104.02375v1 · doi: 10.48550/arxiv.2104.02375 · pith_short_12: FAKJMVJ3VICB · pith_short_16: FAKJMVJ3VICB3WDH · pith_short_8: FAKJMVJ3

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/FAKJMVJ3VICB3WDHMGRXVZTNS5 \
  | 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: 281496553baa041dd86761a37ae66d977f9ffb4661f83372e46031ec9cdd0723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9f2698df615eab2557d4cf85d636e14f465c10354010c04d976da3ab0d03e75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-04-06T09:02:54Z",
    "title_canon_sha256": "539e7f2c8b491168bcbbaa7280a650869fc76a941a4f313f80c9a12f5b51f034"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02375",
    "kind": "arxiv",
    "version": 1
  }
}