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Pith Number

pith:PPOOVV32

pith:2011:PPOOVV32CX6YVCHLQDZCDMIP2T
not attested not anchored not stored refs pending

Mid-infrared interferometric monitoring of evolved stars - The dust shell around the Mira variable RR Aql at 13 epochs

D. A. Boboltz, E. Fossat, I. Karovicova, K. Ohnaka, M. Scholz, M. Wittkowski

arxiv:1107.0909 v1 · 2011-07-05 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PPOOVV32CX6YVCHLQDZCDMIP2T}

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 2026-05-18T02:01:24.609098Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7bdcead77a15fd8a88eb80f221b10fd4c12468de9da5cee24a14b81fc1ef0b46

Aliases

arxiv: 1107.0909 · arxiv_version: 1107.0909v1 · doi: 10.48550/arxiv.1107.0909 · pith_short_12: PPOOVV32CX6Y · pith_short_16: PPOOVV32CX6YVCHL · pith_short_8: PPOOVV32
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PPOOVV32CX6YVCHLQDZCDMIP2T \
  | 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: 7bdcead77a15fd8a88eb80f221b10fd4c12468de9da5cee24a14b81fc1ef0b46
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fc65998cacb81bd880523a855b9c32b17c82bedbc13830fff8c0fb8ad59ed09c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-05T15:51:31Z",
    "title_canon_sha256": "b1112714490e95952a6ade6cd9e393bf8b111d0e1a26cc975ea1b2c5f6b1dd97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0909",
    "kind": "arxiv",
    "version": 1
  }
}