Pith Number

pith:VLC2PLBF

pith:2010:VLC2PLBFEA4L3OKHOZT5TEZZQE

not attested not anchored not stored refs pending

A Semi-analytic Ray-tracing Algorithm for Weak Lensing

Baojiu Li (DAMTP, Cambridge), Gong-Bo Zhao (ICG, HongSheng Zhao (St Andrews), Lindsay J. King (IoA, Portsmouth)

arxiv:1012.1625 v1 · 2010-12-07 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VLC2PLBFEA4L3OKHOZT5TEZZQE}

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	2026-05-18T02:23:07.885669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aac5a7ac252038bdb9477667d99339810a8e2f6438e0b8ef5dea2da72a4cf02c

Aliases

arxiv: 1012.1625 · arxiv_version: 1012.1625v1 · doi: 10.48550/arxiv.1012.1625 · pith_short_12: VLC2PLBFEA4L · pith_short_16: VLC2PLBFEA4L3OKH · pith_short_8: VLC2PLBF

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/VLC2PLBFEA4L3OKHOZT5TEZZQE \
  | 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: aac5a7ac252038bdb9477667d99339810a8e2f6438e0b8ef5dea2da72a4cf02c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d6c26350b764144f5bd74f96986a066d74237bd2e570134717612ba004f42f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-07T22:00:26Z",
    "title_canon_sha256": "5196fc8c6e1edb2cf3230ce41e86d1cf58ce986737984362a90b9278774cee67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1625",
    "kind": "arxiv",
    "version": 1
  }
}