Pith Number

pith:W372BCXI

pith:2015:W372BCXIYO6CVWVTR7A44WQZPL

not attested not anchored not stored refs pending

High resolution imaging and spectroscopy of the gravitational lens SDSSJ1206+4332: a natural coronagraph at $z=1.789$ and a standard ruler at $z=0.745$

Adriano Agnello, Alessandro Sonnenfeld, Charlotte Mason, Christopher D. Fassnacht, Maru\v{s}a Brada\v{c}, Matthew W. Auger, Sherry H. Suyu, Tommaso Treu

arxiv:1506.02720 v1 · 2015-06-08 · 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{W372BCXIYO6CVWVTR7A44WQZPL}

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	2026-05-18T01:55:41.123817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6ffa08ae8c3bc2adab38fc1ce5a197acd1b34e4aaa316e7d0c3d71c489a9152

Aliases

arxiv: 1506.02720 · arxiv_version: 1506.02720v1 · doi: 10.48550/arxiv.1506.02720 · pith_short_12: W372BCXIYO6C · pith_short_16: W372BCXIYO6CVWVT · pith_short_8: W372BCXI

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/W372BCXIYO6CVWVTR7A44WQZPL \
  | 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: b6ffa08ae8c3bc2adab38fc1ce5a197acd1b34e4aaa316e7d0c3d71c489a9152

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4690670dfcd1f4f157c7ccc71b26f998b4756f56d0dba1ef3b5cf6138b0e2eb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-06-08T22:54:48Z",
    "title_canon_sha256": "dba36f9ec38d2a78abed822fb2940a873084bde3b064083b381f2120ba62c65b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02720",
    "kind": "arxiv",
    "version": 1
  }
}