Pith Number

pith:NQTAAYAN

pith:2019:NQTAAYANVLBOPZWOIQ2CP7Z3BM

not attested not anchored not stored refs pending

MIFAL: fully automated Multiple-Image Finder ALgorithm for strong-lens modelling -- proof of concept

Adi Zitrin, Gregor Seidel, Mauricio Carrasco

arxiv:1905.09802 v1 · 2019-05-23 · 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{NQTAAYANVLBOPZWOIQ2CP7Z3BM}

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	2026-07-05T00:31:50.515452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c2600600daac2e7e6ce443427ff3b0b3c20a76b24980a30b6d6933a41990c8f

Aliases

arxiv: 1905.09802 · arxiv_version: 1905.09802v1 · doi: 10.48550/arxiv.1905.09802 · pith_short_12: NQTAAYANVLBO · pith_short_16: NQTAAYANVLBOPZWO · pith_short_8: NQTAAYAN

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/NQTAAYANVLBOPZWOIQ2CP7Z3BM \
  | 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: 6c2600600daac2e7e6ce443427ff3b0b3c20a76b24980a30b6d6933a41990c8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ae0fc25a6a659e30d86bc27a5a4437b4057821b3bd1d9dde218682f17aade7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-05-23T17:52:43Z",
    "title_canon_sha256": "5dd9c9d122156c70cd2709bf4e7af00a2bc9b744e6312cf4a95be15d369af54c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09802",
    "kind": "arxiv",
    "version": 1
  }
}