Pith Number

pith:FT7QKZMK

pith:2012:FT7QKZMKWWCU4YNKBJ3XWFXJLH

not attested not anchored not stored refs pending

The Blazhko modulation of TV Boo in 2010

\'A. S\'odor, B. Belucz, B. Szeidl, E. Kun, G. Hajdu, J. Jurcsik, K. Posztob\'anyi, K. Vida, P. Smitola

arxiv:1211.3640 v1 · 2012-11-15 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T01:53:10.840997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cff05658ab5854e61aa0a777b16e959de6d71a50eee2ed8f8b56f5685d046f3

Aliases

arxiv: 1211.3640 · arxiv_version: 1211.3640v1 · doi: 10.48550/arxiv.1211.3640 · pith_short_12: FT7QKZMKWWCU · pith_short_16: FT7QKZMKWWCU4YNK · pith_short_8: FT7QKZMK

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/FT7QKZMKWWCU4YNKBJ3XWFXJLH \
  | 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: 2cff05658ab5854e61aa0a777b16e959de6d71a50eee2ed8f8b56f5685d046f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a20a2ee2e57e6de327db7f55d6ee37653d6a91295401a76f3548aeb5ae25b825",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-11-15T16:13:23Z",
    "title_canon_sha256": "5a243d7066b6f61d119abfa60811c02469d6f435ab188ebb0a8990f0e6fbe0d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3640",
    "kind": "arxiv",
    "version": 1
  }
}