Pith Number

pith:T23YNXT4

pith:2003:T23YNXT4VHFBS67UNYXAY2YHVR

not attested not anchored not stored refs pending

Photometric Observations of an SU UMa-type Dwarf Nova VW Coronae Borealis during Outbursts

D. Nogami, J. Pietz, M. Uemura, R. Ishioka, T. Kato

arxiv:astro-ph/0312652 v1 · 2003-12-31 · 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{T23YNXT4VHFBS67UNYXAY2YHVR}

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	2026-05-18T01:40:37.549773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9eb786de7ca9ca197bf46e2e0c6b07ac74a14789b2e5b0ded83bfe86e4f2389c

Aliases

arxiv: astro-ph/0312652 · arxiv_version: astro-ph/0312652v1 · doi: 10.48550/arxiv.astro-ph/0312652 · pith_short_12: T23YNXT4VHFB · pith_short_16: T23YNXT4VHFBS67U · pith_short_8: T23YNXT4

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/T23YNXT4VHFBS67UNYXAY2YHVR \
  | 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: 9eb786de7ca9ca197bf46e2e0c6b07ac74a14789b2e5b0ded83bfe86e4f2389c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba5ac28dc76f5a473a8adfa1d6c848e419c125c95af6c2fe6a9ced6b2d17c466",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-12-31T04:36:00Z",
    "title_canon_sha256": "1b49bf27a4a112dff8e10cdb065b0238a476947df7c596fd8dea9334890e5441"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0312652",
    "kind": "arxiv",
    "version": 1
  }
}