Pith Number

pith:A2X4NR6X

pith:2002:A2X4NR6XZBBQELAAZFSTUVNTAH

not attested not anchored not stored refs pending

Detecting gravitational lensing cosmic shear from samples of several galaxies using two-dimensional spectral imaging

Andrew W. Blain (Caltech)

arxiv:astro-ph/0204138 v2 · 2002-04-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A2X4NR6XZBBQELAAZFSTUVNTAH}

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.

Cited by

1 paper in Pith

How to augment cosmic shear measurements with radio polarimetry of galaxies?

Receipt and verification

First computed	2026-07-04T16:29:40.233882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06afc6c7d7c843022c00c9653a55b301fa782a33f31b5002df01f1cc70cc9663

Aliases

arxiv: astro-ph/0204138 · arxiv_version: astro-ph/0204138v2 · doi: 10.48550/arxiv.astro-ph/0204138 · pith_short_12: A2X4NR6XZBBQ · pith_short_16: A2X4NR6XZBBQELAA · pith_short_8: A2X4NR6X

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/A2X4NR6XZBBQELAAZFSTUVNTAH \
  | 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: 06afc6c7d7c843022c00c9653a55b301fa782a33f31b5002df01f1cc70cc9663

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecd2a34c76a7fdbec4c8a06e163f222a22a8507916ac4410da22343b6f51b8cf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-04-08T20:32:48Z",
    "title_canon_sha256": "4dfbc18aa05069978a1b5df131116460a4bda5ae00297c4e1c80b2067f62f19a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0204138",
    "kind": "arxiv",
    "version": 2
  }
}