Pith Number

pith:TYCWDQ5K

pith:2006:TYCWDQ5KVQJNBK555EHEDAVHRX

not attested not anchored not stored refs pending

Photometric Observation and Numerical Simulation of Early Superhumps in BC UMa during the 2003 Superoutburst

Hiroyuki Maehara, Izumi Hachisu, Kazuhiro Nakajima

arxiv:astro-ph/0611519 v1 · 2006-11-16 · 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{TYCWDQ5KVQJNBK555EHEDAVHRX}

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	2026-05-18T01:40:28.863165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e0561c3aaac12d0abbde90e4182a78dfc6ccd8913c6c08cd7992220ddfc2ea5

Aliases

arxiv: astro-ph/0611519 · arxiv_version: astro-ph/0611519v1 · doi: 10.48550/arxiv.astro-ph/0611519 · pith_short_12: TYCWDQ5KVQJN · pith_short_16: TYCWDQ5KVQJNBK55 · pith_short_8: TYCWDQ5K

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/TYCWDQ5KVQJNBK555EHEDAVHRX \
  | 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: 9e0561c3aaac12d0abbde90e4182a78dfc6ccd8913c6c08cd7992220ddfc2ea5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "589c82fb48756badf942fc60e834d7c1f0d84bec4c7afde09872fddf0c808605",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-11-16T11:56:10Z",
    "title_canon_sha256": "30cbb8a490372f45cdb16afe64809e52905e67b7747e7284d776e14534b42784"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0611519",
    "kind": "arxiv",
    "version": 1
  }
}