Pith Number

pith:SS4KL5TU

pith:2021:SS4KL5TUAWBJECUAFJEYAWKFYS

not attested not anchored not stored refs pending

Automatic Detection of Occulted Hard X-ray Flares Using Deep-Learning Methods

Hideaki Matsumura, Lindsay Glesener, Shin-nosuke Ishikawa, Yasunobu Uchiyama

arxiv:2101.11550 v1 · 2021-01-27 · astro-ph.SR · astro-ph.IM · cs.AI · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SS4KL5TUAWBJECUAFJEYAWKFYS}

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	2026-07-05T02:17:49.481476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94b8a5f6740582920a802a49805945c4818acf10efc6d4bf923e2f6c3a24453c

Aliases

arxiv: 2101.11550 · arxiv_version: 2101.11550v1 · doi: 10.48550/arxiv.2101.11550 · pith_short_12: SS4KL5TUAWBJ · pith_short_16: SS4KL5TUAWBJECUA · pith_short_8: SS4KL5TU

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/SS4KL5TUAWBJECUAFJEYAWKFYS \
  | 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: 94b8a5f6740582920a802a49805945c4818acf10efc6d4bf923e2f6c3a24453c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "682c3b5f5cc6f578948df04104700f636aa2adfe4c8ecb490c180d1b32664035",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "cs.AI",
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-01-27T17:11:35Z",
    "title_canon_sha256": "e5f4dbe18b62942da998dbb21fafc7c39e964aabc09d9c14a17f171cf8816574"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.11550",
    "kind": "arxiv",
    "version": 1
  }
}