Pith Number

pith:OCN7FLPD

pith:1998:OCN7FLPDQK6DXWFQOHZATRBHYZ

not attested not anchored not stored refs pending

A Technique for Narrowband Time Series Photometry: the X-ray Star V2116 Oph

Bruce Margon, Eric W. Deutsch, & Joss Bland-Hawthorn

arxiv:astro-ph/9805336 v1 · 1998-05-27 · 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{OCN7FLPDQK6DXWFQOHZATRBHYZ}

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	2026-05-18T04:27:04.153766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

709bf2ade382bc3bd8b071f209c427c675e4c688dcb6bac4f4a84a07722d6d49

Aliases

arxiv: astro-ph/9805336 · arxiv_version: astro-ph/9805336v1 · doi: 10.48550/arxiv.astro-ph/9805336 · pith_short_12: OCN7FLPDQK6D · pith_short_16: OCN7FLPDQK6DXWFQ · pith_short_8: OCN7FLPD

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/OCN7FLPDQK6DXWFQOHZATRBHYZ \
  | 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: 709bf2ade382bc3bd8b071f209c427c675e4c688dcb6bac4f4a84a07722d6d49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3e2c561b317f583bda35796b03851720fc78ca571416e6cb4b3e7eb6bbc0913",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-05-27T20:11:24Z",
    "title_canon_sha256": "b8698f296662e4af68ea66281a16b6ecf9e8f602ef20be9421375b6d7b792717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9805336",
    "kind": "arxiv",
    "version": 1
  }
}