Pith Number

pith:7J4HFHX5

pith:2013:7J4HFHX5QDP724EXIMDVCDWFG2

not attested not anchored not stored refs pending

Long-term monitoring, time delay and microlensing in the gravitational lens system Q0142-100

A. Oscoz, E. Mediavilla, J. A. Mu\~noz, M. Serra-Ricart

arxiv:1310.6569 v1 · 2013-10-24 · 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{7J4HFHX5QDP724EXIMDVCDWFG2}

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	2026-05-18T01:46:50.153984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa78729efd80dffd70974307510ec536b1ab4cfef932b4388a3a6c6e93be7327

Aliases

arxiv: 1310.6569 · arxiv_version: 1310.6569v1 · doi: 10.48550/arxiv.1310.6569 · pith_short_12: 7J4HFHX5QDP7 · pith_short_16: 7J4HFHX5QDP724EX · pith_short_8: 7J4HFHX5

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/7J4HFHX5QDP724EXIMDVCDWFG2 \
  | 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: fa78729efd80dffd70974307510ec536b1ab4cfef932b4388a3a6c6e93be7327

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ef39fc606b5529874746dd548716628f7a2fd1ce333ba1604abfc7cc7ee00ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-24T11:23:01Z",
    "title_canon_sha256": "e3440408ca9fe7471c77213265a2e4d2ba769422bc47a60a430826a0ec5432db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6569",
    "kind": "arxiv",
    "version": 1
  }
}