Pith Number

pith:P7QHISBB

pith:2009:P7QHISBBMVQRBG6RNO5HESQ34F

not attested not anchored not stored refs pending

The Effect of $w-term$ on Visibility Correlation and Power Spectrum Estimation

Prasun Dutta, S. Pratik Khastgir, Tapomoy Guha Sarkar

arxiv:0912.1564 v1 · 2009-12-08 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7QHISBBMVQRBG6RNO5HESQ34F}

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	2026-05-18T02:10:25.633240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fe07448216561109bd16bba724a1be14ba28bc2e825132f3c36433794967fe3

Aliases

arxiv: 0912.1564 · arxiv_version: 0912.1564v1 · doi: 10.48550/arxiv.0912.1564 · pith_short_12: P7QHISBBMVQR · pith_short_16: P7QHISBBMVQRBG6R · pith_short_8: P7QHISBB

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/P7QHISBBMVQRBG6RNO5HESQ34F \
  | 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: 7fe07448216561109bd16bba724a1be14ba28bc2e825132f3c36433794967fe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eefdbe708a3376b3df13b56f3d3e21fc8b373c80f66cb74786e276d1ee4a0bb1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-12-08T18:38:44Z",
    "title_canon_sha256": "be08f827cc991787c6fe3c45049c01a867049a738d7f678b26fcec1e57309fda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1564",
    "kind": "arxiv",
    "version": 1
  }
}