Pith Number

pith:CKKOJTZ6

pith:2011:CKKOJTZ6AJTOH774FBATSWLLMH

not attested not anchored not stored refs pending

A pre-outburst signal in the long term optical lightcurve of the recurrent nova RS Ophiuchi

Aveek Sarkar, Robert Walsh, Sotiris Adamakis, Stewart Eyres

arxiv:1102.3779 v1 · 2011-02-18 · 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{CKKOJTZ6AJTOH774FBATSWLLMH}

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	2026-05-18T02:03:09.528261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1294e4cf3e0266e3fffc284139596b61c0823266edddabe0595d024d4ec689c1

Aliases

arxiv: 1102.3779 · arxiv_version: 1102.3779v1 · doi: 10.48550/arxiv.1102.3779 · pith_short_12: CKKOJTZ6AJTO · pith_short_16: CKKOJTZ6AJTOH774 · pith_short_8: CKKOJTZ6

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/CKKOJTZ6AJTOH774FBATSWLLMH \
  | 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: 1294e4cf3e0266e3fffc284139596b61c0823266edddabe0595d024d4ec689c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfc0ad970b4f07cf7441128f208db16e087afbce7257f58dfaec9f9c328853b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-18T08:33:17Z",
    "title_canon_sha256": "337e1639a302d3480ccc9494449657dafdc57bf84a8aeaad53c3dcec74c3a826"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3779",
    "kind": "arxiv",
    "version": 1
  }
}