Pith Number

pith:2PLSYOP3

pith:2009:2PLSYOP3GAQOW3MZEUGTVHDUNL

not attested not anchored not stored refs pending

SDSS J210014.12+004446.0 - dwarf nova with negative and positive superhumps

A. Olech, A. Rutkowski, A. Schwarzenberg-Czerny

arxiv:0906.3964 v1 · 2009-06-22 · 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{2PLSYOP3GAQOW3MZEUGTVHDUNL}

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	2026-05-18T02:13:13.497200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3d72c39fb3020eb6d99250d3a9c746aec1b0a2b7546a76646deb448dd79c85a

Aliases

arxiv: 0906.3964 · arxiv_version: 0906.3964v1 · doi: 10.48550/arxiv.0906.3964 · pith_short_12: 2PLSYOP3GAQO · pith_short_16: 2PLSYOP3GAQOW3MZ · pith_short_8: 2PLSYOP3

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/2PLSYOP3GAQOW3MZEUGTVHDUNL \
  | 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: d3d72c39fb3020eb6d99250d3a9c746aec1b0a2b7546a76646deb448dd79c85a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6169f15d9d4dbf6d397de4c65d049cbd4d761c6f65960b7c8a709188c6c27624",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-22T09:25:51Z",
    "title_canon_sha256": "1162713052a9cc91affad3b47c4f0d0bc976694788421786771ac4daaaed3bac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3964",
    "kind": "arxiv",
    "version": 1
  }
}