Pith Number

pith:KRDLQDSQ

pith:2012:KRDLQDSQ7TXQNAWV3HB2LSU534

not attested not anchored not stored refs pending

Global Optimization methods for Gravitational Lens Systems with Regularized Sources

Adam Rogers, Jason D. Fiege

arxiv:1210.6572 v1 · 2012-10-24 · 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{KRDLQDSQ7TXQNAWV3HB2LSU534}

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	2026-05-18T01:53:43.654135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5446b80e50fcef0682d5d9c3a5ca9ddf0ad9a38370d3ebae2660f1c8af4895ee

Aliases

arxiv: 1210.6572 · arxiv_version: 1210.6572v1 · doi: 10.48550/arxiv.1210.6572 · pith_short_12: KRDLQDSQ7TXQ · pith_short_16: KRDLQDSQ7TXQNAWV · pith_short_8: KRDLQDSQ

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/KRDLQDSQ7TXQNAWV3HB2LSU534 \
  | 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: 5446b80e50fcef0682d5d9c3a5ca9ddf0ad9a38370d3ebae2660f1c8af4895ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9326fc9216558eb1d770dfc6f1078e9e2c09b4901ed5248b3ebebe90d9773353",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-24T15:31:55Z",
    "title_canon_sha256": "0d9d4937815f8aa85bf1f1d51a1e8c4b21b999fe22bd996a9576cc0fd1208c35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6572",
    "kind": "arxiv",
    "version": 1
  }
}