Pith Number

pith:LZWL32UQ

pith:2018:LZWL32UQEM54LSU2ESPCNFAZMJ

not attested not anchored not stored refs pending

COSMOGRAIL XVII: Time delays for the quadruply imaged quasar PG 1115+080

A. Hempel, C. D. Fassnacht, D.C.-Y. Chao, D. Gilman, E. Buckley-Geer, E. Paic, F. Courbin, G. C.-F. Chen, G. Meylan, J. Frieman, J. H. H. Chan, K. Gilmore, K. Rojas, M. Chijani, M. Millon, M. Rabus, M. Tewes, P.J. Marshall, P. Magain, P. Williams, R. Lachaume, S.H. Suyu, S. Kim, T. Anguita, T. Treu, V. Bonvin, V. Motta

arxiv:1804.09183 v1 · 2018-04-24 · 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{LZWL32UQEM54LSU2ESPCNFAZMJ}

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	2026-05-18T00:05:57.291915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e6cbdea90233bc5ca9a249e2694196272d884f1367924770618b0dd6f2b5626

Aliases

arxiv: 1804.09183 · arxiv_version: 1804.09183v1 · doi: 10.48550/arxiv.1804.09183 · pith_short_12: LZWL32UQEM54 · pith_short_16: LZWL32UQEM54LSU2 · pith_short_8: LZWL32UQ

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/LZWL32UQEM54LSU2ESPCNFAZMJ \
  | 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: 5e6cbdea90233bc5ca9a249e2694196272d884f1367924770618b0dd6f2b5626

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70bb558057d17ae5d2b9dc4cf8113af0dcbfa92a2853ab033ad5429b70722386",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-24T18:00:02Z",
    "title_canon_sha256": "1c39722cb0dd31c8ea9942356cb5c29ef71bffc29a2909e7ca8813840bec24ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09183",
    "kind": "arxiv",
    "version": 1
  }
}