Pith Number

pith:U4YWOKR6

pith:2011:U4YWOKR6ZUKZQ24XHOZGAWJ2B2

not attested not anchored not stored refs pending

The CFHTLS-Strong Lensing Legacy Survey (SL2S): Investigating the group-scale lenses with the SARCS sample

Anupreeta More, Christophe Alard, Jean-Paul Kneib, Marceau Limousin, Raphael Gavazzi, Remi Cabanac, Surhud More, Veronica Motta

arxiv:1109.1821 v2 · 2011-09-08 · 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{U4YWOKR6ZUKZQ24XHOZGAWJ2B2}

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	2026-05-18T02:00:37.662277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a731672a3ecd15986b973bb260593a0eae79143d933b43ac5fec0038bd1d6355

Aliases

arxiv: 1109.1821 · arxiv_version: 1109.1821v2 · doi: 10.48550/arxiv.1109.1821 · pith_short_12: U4YWOKR6ZUKZ · pith_short_16: U4YWOKR6ZUKZQ24X · pith_short_8: U4YWOKR6

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/U4YWOKR6ZUKZQ24XHOZGAWJ2B2 \
  | 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: a731672a3ecd15986b973bb260593a0eae79143d933b43ac5fec0038bd1d6355

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c853efe2fead34228f4f1fb9676394509f1655ac4db1cafe8a3bee2bd84a8b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-08T20:00:01Z",
    "title_canon_sha256": "09a496919549b61143e345164d24f8498f3c306e755eaf03507108cd86330445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1821",
    "kind": "arxiv",
    "version": 2
  }
}