Pith Number

pith:T46NOBIL

pith:2013:T46NOBILHVCYGA6OPDEDZTX7FV

not attested not anchored not stored refs pending

Robust Strong Lensing Time Delay Estimation

Alex G. Kim, Alireza Hojjati, Eric V. Linder

arxiv:1304.0309 v2 · 2013-04-01 · 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{T46NOBILHVCYGA6OPDEDZTX7FV}

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	2026-05-18T03:20:47.860391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f3cd7050b3d458303ce78c83cceff2d6f86781beac35846379eb769c1f82f30

Aliases

arxiv: 1304.0309 · arxiv_version: 1304.0309v2 · doi: 10.48550/arxiv.1304.0309 · pith_short_12: T46NOBILHVCY · pith_short_16: T46NOBILHVCYGA6O · pith_short_8: T46NOBIL

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/T46NOBILHVCYGA6OPDEDZTX7FV \
  | 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: 9f3cd7050b3d458303ce78c83cceff2d6f86781beac35846379eb769c1f82f30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14ae8c80a3300ed0d621a564b3f95e0d87324de3a5f51f50ab378e0c59569e00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-01T08:00:56Z",
    "title_canon_sha256": "8dd812a83da0a10d71b73cd67e984b932b482fbe2039acf9f5d781c35ee8f8b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0309",
    "kind": "arxiv",
    "version": 2
  }
}