pith. sign in
Pith Number

pith:DLBATGTU

pith:2011:DLBATGTUGSNMZFNAZLG5JQVPM5
not attested not anchored not stored refs pending

Protection of existing and potential observatory sites: Triennial report 2009-2012 of IAU Commission 50

A. Tzioumis, C. Blanco, D. L. Crawford, E. Alvarez del Castillo, M. Metaxa, M. Ohishi, R. Green, R. J. Wainscoat, W. T. Sullivan III, W. van Driel

arxiv:1111.1398 v1 · 2011-11-06 · astro-ph.IM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DLBATGTUGSNMZFNAZLG5JQVPM5}

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 2026-05-18T04:09:26.277808Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1ac2099a74349acc95a0cacdd4c2af6771526e8c593a156e267083050bec0699

Aliases

arxiv: 1111.1398 · arxiv_version: 1111.1398v1 · doi: 10.48550/arxiv.1111.1398 · pith_short_12: DLBATGTUGSNM · pith_short_16: DLBATGTUGSNMZFNA · pith_short_8: DLBATGTU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DLBATGTUGSNMZFNAZLG5JQVPM5 \
  | 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: 1ac2099a74349acc95a0cacdd4c2af6771526e8c593a156e267083050bec0699
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "47594d881802e55007e95e96154d1b2c148f67a04c842e591e7b9ca9a5303cde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-11-06T10:34:59Z",
    "title_canon_sha256": "e27a6ad899635e6fa26bc2133a8023a1601c6445b8addc7e7ee9ac5d9caa20a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1398",
    "kind": "arxiv",
    "version": 1
  }
}