Pith Number

pith:DLZKCQWL

pith:1998:DLZKCQWLMDMSQV6QXN6RKCT5NT

not attested not anchored not stored refs pending

Disk Models for MCG-06-30-15: The Variability Challenge

J. W. Sulentic, M. Calvani, P. Marziani

arxiv:astro-ph/9802305 v1 · 1998-02-24 · 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{DLZKCQWLMDMSQV6QXN6RKCT5NT}

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	2026-05-18T01:40:14.366854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1af2a142cb60d92857d0bb7d150a7d6ce907b2a3dfd47241c9826ff4f06a9f6d

Aliases

arxiv: astro-ph/9802305 · arxiv_version: astro-ph/9802305v1 · doi: 10.48550/arxiv.astro-ph/9802305 · pith_short_12: DLZKCQWLMDMS · pith_short_16: DLZKCQWLMDMSQV6Q · pith_short_8: DLZKCQWL

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/DLZKCQWLMDMSQV6QXN6RKCT5NT \
  | 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: 1af2a142cb60d92857d0bb7d150a7d6ce907b2a3dfd47241c9826ff4f06a9f6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa5e808529484fe81e04cf2b1944b3aa7126eee30bbea5bb930ff14087207eb4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-02-24T11:35:10Z",
    "title_canon_sha256": "cfdbc8b3e191bd1baa882f79202a8de33e9e13f63bfbec4567b30a6d9ed44dfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9802305",
    "kind": "arxiv",
    "version": 1
  }
}