Pith Number

pith:OVTM5QDG

pith:2018:OVTM5QDG22X5QGVN6VEBDNHCMS

not attested not anchored not stored refs pending

An illumination effect and an eccentric orbit for the symbiotic binary PU Vul revealed by 32 years of optical spectroscopy

Drahomir Chochol, Eugeni A. Kolotilov, Mercedes N. G\'omez, Scott J. Kenyon, Sergey Y. Shugarov, Virginia A. C\'uneo

arxiv:1802.10565 v2 · 2018-02-28 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OVTM5QDG22X5QGVN6VEBDNHCMS}

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.

Cited by

1 paper in Pith

The first hours and days of the 2021 explosion of the recurrent symbiotic nova RS Ophiuchii

Receipt and verification

First computed	2026-05-18T00:11:57.272118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7566cec066d6afd81aadf54811b4e264b0ee07a502f26fa1b1d7da83170e02f2

Aliases

arxiv: 1802.10565 · arxiv_version: 1802.10565v2 · doi: 10.48550/arxiv.1802.10565 · pith_short_12: OVTM5QDG22X5 · pith_short_16: OVTM5QDG22X5QGVN · pith_short_8: OVTM5QDG

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/OVTM5QDG22X5QGVN6VEBDNHCMS \
  | 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: 7566cec066d6afd81aadf54811b4e264b0ee07a502f26fa1b1d7da83170e02f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21e2e48fae43787027cd347a3cb6c74a4f20fea9ca3cf47b66e21f8c3987bb5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-28T18:12:13Z",
    "title_canon_sha256": "beaaa0a11e2f9370afb757d2eabc0feebae6d382e438d9b3eab4f7a27e6b0b26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10565",
    "kind": "arxiv",
    "version": 2
  }
}