Pith Number

pith:DZTWHAF3

pith:2011:DZTWHAF34KLTCA3PFVSMDZTKO3

not attested not anchored not stored refs pending

Modeling very long baseline interferometric images with the cross-entropy global optimization technique

Anderson Caproni (NAT-Universidade Cruzeiro do Sul), Danilo. M. Teixeira (IAG/USP), Hektor Monteiro (UNIFEI), Rafael T. Toffoli (NAT-Universidade Cruzeiro do Sul), Zulema Abraham (IAG/USP)

arxiv:1106.4026 v1 · 2011-06-20 · astro-ph.CO · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DZTWHAF34KLTCA3PFVSMDZTKO3}

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	2026-05-18T02:01:34.446564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e676380bbe29731036f2d64c1e66a76d912b19f6b74c4ea62bb948591e1e4af

Aliases

arxiv: 1106.4026 · arxiv_version: 1106.4026v1 · doi: 10.48550/arxiv.1106.4026 · pith_short_12: DZTWHAF34KLT · pith_short_16: DZTWHAF34KLTCA3P · pith_short_8: DZTWHAF3

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/DZTWHAF34KLTCA3PFVSMDZTKO3 \
  | 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: 1e676380bbe29731036f2d64c1e66a76d912b19f6b74c4ea62bb948591e1e4af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b2feec70631de4d726e1a44d9b44bf9e61e0531ea348da06c12d9ca41d485a9",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-20T20:08:22Z",
    "title_canon_sha256": "d20bbc2092e96942f45e9b6c8af27e0e81a2b4aeeb6a148ec35bafc109e72b40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4026",
    "kind": "arxiv",
    "version": 1
  }
}