Pith Number

pith:JXYHCA4U

pith:2022:JXYHCA4UCTNE4XX6PKIWSCCADD

not attested not anchored not stored refs pending

Spectroscopic Studies of Type Ia Supernovae Using LSTM Neural Networks

Lei Hu, Lifan Wang, Xingzhuo Chen

arxiv:2202.02498 v2 · 2022-02-05 · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JXYHCA4UCTNE4XX6PKIWSCCADD}

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	2026-07-05T04:20:44.451795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4df071039414da4e5efe7a9169084018c1fc07eb9b2b951224b0d642144ae55c

Aliases

arxiv: 2202.02498 · arxiv_version: 2202.02498v2 · doi: 10.48550/arxiv.2202.02498 · pith_short_12: JXYHCA4UCTNE · pith_short_16: JXYHCA4UCTNE4XX6 · pith_short_8: JXYHCA4U

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/JXYHCA4UCTNE4XX6PKIWSCCADD \
  | 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: 4df071039414da4e5efe7a9169084018c1fc07eb9b2b951224b0d642144ae55c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "869626d2cf8c4c8aef5404db0d17a93c2fbfa041b32c5186f4e27c2966b44d54",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-02-05T06:34:19Z",
    "title_canon_sha256": "b5bfcdabc915eb505293c33a3232cd3ba4e73046f48089f7b9e7db1a17354fc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.02498",
    "kind": "arxiv",
    "version": 2
  }
}