Pith Number

pith:KIOZV7UO

pith:2008:KIOZV7UOUY7ZAJLRTLZQNI5UQL

not attested not anchored not stored refs pending

V2051 Oph after superoutburst: out-of-plane material and the superhump light source

2), (2) Vrije Universiteit Brussel, (3) ESO-Garching, (4) University of Warwick), Christina Papadaki (1, Danny Steeghs (4), Henri M.J. Boffin (3), Linda Schmidtobreick (1) ((1) ESO-Chile

arxiv:0804.0898 v1 · 2008-04-06 · 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{KIOZV7UOUY7ZAJLRTLZQNI5UQL}

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	2026-05-18T02:15:53.973429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

521d9afe8ea63f9025719af306a3b482c1836c266467ac98c5e4dd44bb1fc0cd

Aliases

arxiv: 0804.0898 · arxiv_version: 0804.0898v1 · doi: 10.48550/arxiv.0804.0898 · pith_short_12: KIOZV7UOUY7Z · pith_short_16: KIOZV7UOUY7ZAJLR · pith_short_8: KIOZV7UO

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/KIOZV7UOUY7ZAJLRTLZQNI5UQL \
  | 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: 521d9afe8ea63f9025719af306a3b482c1836c266467ac98c5e4dd44bb1fc0cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cca325a568f6ca44930f7ce4ca5d3f79c33ab28f19ebcc3e2b47fa42d0d68b73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-04-06T11:54:07Z",
    "title_canon_sha256": "97e0aa335282f42adc7674de312d2a4bf78fcd62c431d02ff1ec6da49a956002"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0898",
    "kind": "arxiv",
    "version": 1
  }
}