Pith Number

pith:MZROZTBS

pith:2009:MZROZTBSMUYLU5AI4DVFLGXOB3

not attested not anchored not stored refs pending

Simple Treatments of the Photon Noise and the Pixelation Effect in Weak Lensing

Jun Zhang (UC Berkeley, UT Austin)

arxiv:0901.4781 v2 · 2009-01-29 · astro-ph.CO · 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{MZROZTBSMUYLU5AI4DVFLGXOB3}

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	2026-05-18T04:33:18.253915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6662eccc326530ba7408e0ea559aee0ee63cede6604198d40c47e3dc67d661fe

Aliases

arxiv: 0901.4781 · arxiv_version: 0901.4781v2 · doi: 10.48550/arxiv.0901.4781 · pith_short_12: MZROZTBSMUYL · pith_short_16: MZROZTBSMUYLU5AI · pith_short_8: MZROZTBS

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/MZROZTBSMUYLU5AI4DVFLGXOB3 \
  | 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: 6662eccc326530ba7408e0ea559aee0ee63cede6604198d40c47e3dc67d661fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95e0cb4508fc2a405baec98b5af22ecd816a1a564809dace7d5c5e80d03ff701",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-29T21:04:47Z",
    "title_canon_sha256": "f2753297d4e7b47b0f1c2605d2c1530dd4166487ff64d67e9f83882d687b3d1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4781",
    "kind": "arxiv",
    "version": 2
  }
}