pith. sign in
Pith Number

pith:2OPZJ7ND

pith:2012:2OPZJ7NDULXFSUHC4WDEYUXEUF
not attested not anchored not stored refs pending

Simultaneous UBVRI observations of the cataclysmic variable AE Aquarii: temperature and mass of fireballs

B. Spassov, G. Y. Latev, K. A. Stoyanov, R. K. Zamanov, S. Boeva, S. V. Tsvetkova

arxiv:1208.2834 v1 · 2012-08-14 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2OPZJ7NDULXFSUHC4WDEYUXEUF}

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 2026-05-18T01:55:16.124971Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d39f94fda3a2ee5950e2e5864c52e4a173cd455e913abf0dfde9a251203af363

Aliases

arxiv: 1208.2834 · arxiv_version: 1208.2834v1 · doi: 10.48550/arxiv.1208.2834 · pith_short_12: 2OPZJ7NDULXF · pith_short_16: 2OPZJ7NDULXFSUHC · pith_short_8: 2OPZJ7ND
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2OPZJ7NDULXFSUHC4WDEYUXEUF \
  | 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: d39f94fda3a2ee5950e2e5864c52e4a173cd455e913abf0dfde9a251203af363
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e6db9bbd6d91549bd005c8854307a9b310b8eed98769f58baaaf93a8f764782e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-14T11:41:10Z",
    "title_canon_sha256": "8a69254fbe0ab2b4c275548dd4f4b31496834d2ee97afae027271dd78d6c7dbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2834",
    "kind": "arxiv",
    "version": 1
  }
}