Pith Number

pith:SWSTKRAR

pith:2000:SWSTKRARRUO5CCIVFL62I5RYPF

not attested not anchored not stored refs pending

Study of the Long-Term X-Ray Variability of a Possible Quasar RX J0957.9+6903 with ASCA

Kazuo Makishima, Naoko Iyomoto, Yu-ichiro Ezoe

arxiv:astro-ph/0010291 v1 · 2000-10-16 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWSTKRARRUO5CCIVFL62I5RYPF}

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	2026-05-18T01:40:45.442330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95a53544118d1dd109152afda476387953539083db20a5753a32fb2385f6debf

Aliases

arxiv: astro-ph/0010291 · arxiv_version: astro-ph/0010291v1 · doi: 10.48550/arxiv.astro-ph/0010291 · pith_short_12: SWSTKRARRUO5 · pith_short_16: SWSTKRARRUO5CCIV · pith_short_8: SWSTKRAR

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/SWSTKRARRUO5CCIVFL62I5RYPF \
  | 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: 95a53544118d1dd109152afda476387953539083db20a5753a32fb2385f6debf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd295c038063f2afd770afdda8850d5cf0a5a47f7dbf5d1430c6396c9751e0c7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-16T05:22:38Z",
    "title_canon_sha256": "2e0c849a7dfcc14cfd393344a7810ae220f6e180e06ee6b72ff81cc4b6536ff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010291",
    "kind": "arxiv",
    "version": 1
  }
}