Pith Number

pith:UGLETW7J

pith:2016:UGLETW7JGVLLKLJX445BJSIXFG

not attested not anchored not stored refs pending

H0LiCOW V. New COSMOGRAIL time delays of HE0435-1223: $H_0$ to 3.8% precision from strong lensing in a flat $\Lambda$CDM model

A. Sonnenfeld, C. D. Fassnacht, C. E. Rusu, C. Spiniello, D. Sluse, F. Courbin, G. Meylan, K. C. Wong, L. V. E. Koopmans, M. Tewes, M. W. Auger, N. Rumbaugh, P. J. Marshall, S. Hilbert, S. H. Suyu, T. Collett, T. Treu, V. Bonvin

arxiv:1607.01790 v2 · 2016-07-06 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T00:51:48.149547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a19649dbe93556b52d37e73a14c91729b47c6d20abc96372dfb730950a4c139f

Aliases

arxiv: 1607.01790 · arxiv_version: 1607.01790v2 · doi: 10.48550/arxiv.1607.01790 · pith_short_12: UGLETW7JGVLL · pith_short_16: UGLETW7JGVLLKLJX · pith_short_8: UGLETW7J

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/UGLETW7JGVLLKLJX445BJSIXFG \
  | 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: a19649dbe93556b52d37e73a14c91729b47c6d20abc96372dfb730950a4c139f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0fe7dba18af4ced96258a518716e032a97d56e05644ee36b1f125236eeff396",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-07-06T20:00:04Z",
    "title_canon_sha256": "59ff23db675df214b68175dcb961556b61d6d6c4308b233d51caeb55a2ee46fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01790",
    "kind": "arxiv",
    "version": 2
  }
}