Pith Number

pith:LPUGQVME

pith:2014:LPUGQVME5X7WBHYTELT5TXUHAO

not attested not anchored not stored refs pending

Strong Lens Time Delay Challenge: II. Results of TDC1

Alireza Hojjati, Amir Aghamousa, Andrew Romero-Wolf, Aneta Siemiginowska, Arman Shafieloo, Chelliah S. Stalin, Christopher D. Fassnacht, David van Dyk, Eric Linder, Frederic Courbin, Georges Meylan, Gregory Dobler, Hyungsuk Tak, Kai Liao, Kaisey Mandel, Leonidas A.Moustakas, Malte Tewes, Neal Jackson, Nick Rumbaugh, Phil Marshall, S. Rathna Kumar, Tommaso Treu, Tushar P. Prabhu, Vinay Kashyap, Vivien Bonvin, Xiao-Li Meng

arxiv:1409.1254 v2 · 2014-09-03 · astro-ph.IM · 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{LPUGQVME5X7WBHYTELT5TXUHAO}

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	2026-05-18T02:27:58.549784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5be8685584edff609f1322e7d9de87038b71466d26b5f104d3641b0cb6e84d89

Aliases

arxiv: 1409.1254 · arxiv_version: 1409.1254v2 · doi: 10.48550/arxiv.1409.1254 · pith_short_12: LPUGQVME5X7W · pith_short_16: LPUGQVME5X7WBHYT · pith_short_8: LPUGQVME

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/LPUGQVME5X7WBHYTELT5TXUHAO \
  | 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: 5be8685584edff609f1322e7d9de87038b71466d26b5f104d3641b0cb6e84d89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "871e9e53eff4dd7d3d0a9dbdeb6ddc9126a8b6fe8dfc1e6f48f8a155ac2c0a4b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-09-03T20:45:03Z",
    "title_canon_sha256": "da14b32955d1c553b7b3cd090992d43c1477e14f8748e012eea19c5375a9852b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1254",
    "kind": "arxiv",
    "version": 2
  }
}