Pith Number

pith:IUMTXSVW

pith:2013:IUMTXSVW4MHUPHQIDV5FW3N6MA

not attested not anchored not stored refs pending

COSMOGRAIL: the COSmological MOnitoring of GRAvItational Lenses XII. Time delays of the doubly lensed quasars SDSS J1206+4332 and HS 2209+1914

C.S. Stalin, E.Eulaers, F. Courbin, G. Meylan, H. Van Winckel, I. Asfandiyarov, M. Tewes, P. Magain, Sh. Ehgamberdiev, S. Rathna Kumar, T.P. Prabhu

arxiv:1304.4474 v1 · 2013-04-16 · 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{IUMTXSVW4MHUPHQIDV5FW3N6MA}

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	2026-05-18T01:50:32.219470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45193bcab6e30f479e081d7a5b6dbe600cb5dac8512c2d3d85924e0be30ac9d6

Aliases

arxiv: 1304.4474 · arxiv_version: 1304.4474v1 · doi: 10.48550/arxiv.1304.4474 · pith_short_12: IUMTXSVW4MHU · pith_short_16: IUMTXSVW4MHUPHQI · pith_short_8: IUMTXSVW

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/IUMTXSVW4MHUPHQIDV5FW3N6MA \
  | 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: 45193bcab6e30f479e081d7a5b6dbe600cb5dac8512c2d3d85924e0be30ac9d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b9bd49d661d196dd465ba4be328acb0e32e1312fc5ac1e813a9db38c14d0335",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-16T14:46:16Z",
    "title_canon_sha256": "21b4d448be031469444a2bd8519e8541414e559a83004fe6f1166fb0a141c5c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4474",
    "kind": "arxiv",
    "version": 1
  }
}