Pith Number

pith:KWPXIAMS

pith:2016:KWPXIAMSYZ2DMQNBGLG2WT3GLN

not attested not anchored not stored refs pending

Reconstructing the cosmic Horseshoe gravitational lens using the singular perturbative approach

C. Alard

arxiv:1607.01370 v1 · 2016-07-05 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWPXIAMSYZ2DMQNBGLG2WT3GLN}

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	2026-05-18T00:51:48.194521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

559f740192c6743641a132cdab4f665b7075a8e32cb1b50aa3189f307428cce2

Aliases

arxiv: 1607.01370 · arxiv_version: 1607.01370v1 · doi: 10.48550/arxiv.1607.01370 · pith_short_12: KWPXIAMSYZ2D · pith_short_16: KWPXIAMSYZ2DMQNB · pith_short_8: KWPXIAMS

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/KWPXIAMSYZ2DMQNBGLG2WT3GLN \
  | 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: 559f740192c6743641a132cdab4f665b7075a8e32cb1b50aa3189f307428cce2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4454e5abef62a3626be5a867f6449a4ac2d6bec73c4fafff7e300a0121ebb47a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-07-05T19:13:36Z",
    "title_canon_sha256": "94b8e232a40c44fedddb337457d8b16e1a96aca5e5ac560a6e7b9274f4201897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01370",
    "kind": "arxiv",
    "version": 1
  }
}