Pith Number

pith:EMKFGUKU

pith:2002:EMKFGUKUELIFRZQ7ZWQAEWJ2VK

not attested not anchored not stored refs pending

External Shear in Quadruply Imaged Lens Systems

Gilbert P. Holder, Paul L. Schechter

arxiv:astro-ph/0209532 v2 · 2002-09-25 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EMKFGUKUELIFRZQ7ZWQAEWJ2VK}

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.

Cited by

1 paper in Pith

Forecast of gravitationally lensed Type Ia supernovae time delay measurement by Muztage-Ata 1.93m Synergy Telescope

Receipt and verification

First computed	2026-07-04T16:30:51.217211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

231453515422d058e61fcda002593aaaa015932017dc50ce0cd5516c494fa45f

Aliases

arxiv: astro-ph/0209532 · arxiv_version: astro-ph/0209532v2 · doi: 10.48550/arxiv.astro-ph/0209532 · pith_short_12: EMKFGUKUELIF · pith_short_16: EMKFGUKUELIFRZQ7 · pith_short_8: EMKFGUKU

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/EMKFGUKUELIFRZQ7ZWQAEWJ2VK \
  | 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: 231453515422d058e61fcda002593aaaa015932017dc50ce0cd5516c494fa45f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c431b6aeef9572ee80832196923bdb7ee5a1c2a018eb5610bd209650f93c707",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-09-25T13:28:04Z",
    "title_canon_sha256": "139fe935a2df7d5c9fc4efdca124d8da96c09aadd235fd629c924f5ab4deeaa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0209532",
    "kind": "arxiv",
    "version": 2
  }
}