Pith Number

pith:MSZDF564

pith:2012:MSZDF564JGGRJT4TFIZ2KLXSXE

not attested not anchored not stored refs pending

Measuring Microlensing using Spectra of Multiply Lensed Quasars

E. Falco, E. Mediavilla, J. A. Munoz, V. Motta

arxiv:1206.1582 v1 · 2012-06-07 · 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{MSZDF564JGGRJT4TFIZ2KLXSXE}

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	2026-05-18T01:57:00.953048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64b232f7dc498d14cf932a33a52ef2b93e968043b748c030eb39b40de02c28e4

Aliases

arxiv: 1206.1582 · arxiv_version: 1206.1582v1 · doi: 10.48550/arxiv.1206.1582 · pith_short_12: MSZDF564JGGR · pith_short_16: MSZDF564JGGRJT4T · pith_short_8: MSZDF564

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/MSZDF564JGGRJT4TFIZ2KLXSXE \
  | 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: 64b232f7dc498d14cf932a33a52ef2b93e968043b748c030eb39b40de02c28e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82c51782d96ad20217773f0baba3f69b94c010e7ddf08b4e528f3a3587103896",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-07T19:11:37Z",
    "title_canon_sha256": "ae47f27808aa5df1f61dade9dd5787f329f454f527f57fc9faf6d35fd8e91aa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1582",
    "kind": "arxiv",
    "version": 1
  }
}