Pith Number

pith:6SDLTP5N

pith:2019:6SDLTP5NZGQYNKPGINHOYDM7QB

not attested not anchored not stored refs pending

Spectrum of the Yellow Symbiotic Star LT Delphini before, during, and after the 2017 Outburst

M.A.Burlak, N.P.Ikonnikova, V.F.Esipov, V.P.Arkhipova

arxiv:1904.11855 v1 · 2019-04-26 · 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{6SDLTP5NZGQYNKPGINHOYDM7QB}

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	2026-05-17T23:42:19.583515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f486b9bfadc9a186a9e6434eec0d9f8077b4f39f8afbfb15525fe35ec8fcb9dd

Aliases

arxiv: 1904.11855 · arxiv_version: 1904.11855v1 · doi: 10.48550/arxiv.1904.11855 · pith_short_12: 6SDLTP5NZGQY · pith_short_16: 6SDLTP5NZGQYNKPG · pith_short_8: 6SDLTP5N

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/6SDLTP5NZGQYNKPGINHOYDM7QB \
  | 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: f486b9bfadc9a186a9e6434eec0d9f8077b4f39f8afbfb15525fe35ec8fcb9dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f126f53b645b5aaf45a63a92af69d2dd5313f024424c439311a59eb05e17dbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-26T14:00:54Z",
    "title_canon_sha256": "a9ac47b031267a3280509dc14eb794d8959af157d21bf3d3d637f88756130924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11855",
    "kind": "arxiv",
    "version": 1
  }
}