Pith Number

pith:MPLDP6AT

pith:2018:MPLDP6ATSLEF6QX7SDUVNUK7N6

not attested not anchored not stored refs pending

Hubble Constant from LSST Strong lens time delays with microlensing systematics

Kai Liao

arxiv:1812.03408 v1 · 2018-12-09 · 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{MPLDP6ATSLEF6QX7SDUVNUK7N6}

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	2026-05-17T23:55:28.599081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63d637f81392c85f42ff90e956d15f6fb99dc672501cef9a37cc1db666b131f3

Aliases

arxiv: 1812.03408 · arxiv_version: 1812.03408v1 · doi: 10.48550/arxiv.1812.03408 · pith_short_12: MPLDP6ATSLEF · pith_short_16: MPLDP6ATSLEF6QX7 · pith_short_8: MPLDP6AT

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/MPLDP6ATSLEF6QX7SDUVNUK7N6 \
  | 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: 63d637f81392c85f42ff90e956d15f6fb99dc672501cef9a37cc1db666b131f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c1e805a81a70a83df8fb0e395ff0e380aa78d5a70f1898a0452270e1df95322",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-12-09T00:14:39Z",
    "title_canon_sha256": "5ebc21fc51cd60ea1c7613faf59b2203aa16016c137c75a6773e5f7c486e66c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03408",
    "kind": "arxiv",
    "version": 1
  }
}