Pith Number

pith:PWJZAMIW

pith:2012:PWJZAMIWENDAXBV7YQCCPPUYO4

not attested not anchored not stored refs pending

COSMOGRAIL: the COSmological MOnitoring of GRAvItational Lenses XIII: Time delays and 9-yr optical monitoring of the lensed quasar RX J1131-1231

A. M. Mosquera, C. S. Kochanek, D. Sluse, D. Voros, E. Eulaers, F. Courbin, G. Cataldi, G. Meylan, H. Van Winckel, M. Tewes, N. Cantale, P. Magain, S. Dye

arxiv:1208.6009 v2 · 2012-08-29 · 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{PWJZAMIWENDAXBV7YQCCPPUYO4}

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	2026-05-18T01:54:50.085437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d9390311623460b86bfc40427be98770f3556c94ad5729066fb725c2ba670bf

Aliases

arxiv: 1208.6009 · arxiv_version: 1208.6009v2 · doi: 10.48550/arxiv.1208.6009 · pith_short_12: PWJZAMIWENDA · pith_short_16: PWJZAMIWENDAXBV7 · pith_short_8: PWJZAMIW

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/PWJZAMIWENDAXBV7YQCCPPUYO4 \
  | 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: 7d9390311623460b86bfc40427be98770f3556c94ad5729066fb725c2ba670bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6edd7400a5299f9c7b0ffbf6564898b3807ce569bab20bddb378fe58da36069",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-29T20:00:03Z",
    "title_canon_sha256": "f84f5ef582b26f8087e3ae75e7d3296c55e74b3de79069e0d274597625694619"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.6009",
    "kind": "arxiv",
    "version": 2
  }
}