Pith Number

pith:HPQQ4OGU

pith:2013:HPQQ4OGUS4GNFFC5ETAY6KZSWH

not attested not anchored not stored refs pending

Multi-Color Photometry of the Outburst of the New WZ Sge-type Dwarf Nova, OT J012059.6+325545

Akira Arai, Eriko Iino, Katsura Matsumoto, Kazuyuki Ogura, Makoto Uemura, Mizuki Isogai, Ryo Noguchi, Shinichi Nakagawa

arxiv:1304.1855 v2 · 2013-04-06 · 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{HPQQ4OGUS4GNFFC5ETAY6KZSWH}

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	2026-05-18T01:50:42.204299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3be10e38d4970cd2945d24c18f2b32b1c2efaab6cc88a071967c38c09a987b32

Aliases

arxiv: 1304.1855 · arxiv_version: 1304.1855v2 · doi: 10.48550/arxiv.1304.1855 · pith_short_12: HPQQ4OGUS4GN · pith_short_16: HPQQ4OGUS4GNFFC5 · pith_short_8: HPQQ4OGU

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/HPQQ4OGUS4GNFFC5ETAY6KZSWH \
  | 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: 3be10e38d4970cd2945d24c18f2b32b1c2efaab6cc88a071967c38c09a987b32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "010a83177ac304e7277a289525e2abf5cfe6e8defedf3aabd9f54d13fdbf51cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-06T05:01:02Z",
    "title_canon_sha256": "b447c2a64c1810bd5188bd5842d245251d63400638024f1e741a47d8358722b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1855",
    "kind": "arxiv",
    "version": 2
  }
}