Pith Number

pith:AIV3N6U6

pith:2025:AIV3N6U6HFZMYBMGOYIINPXNQD

not attested not anchored not stored refs pending

SDSS J1001+5027: Strong microlensing-induced chromatic variation caught in the act

Luis J. Goicoechea, Vyacheslav N. Shalyapin

arxiv:2509.02169 v1 · 2025-09-02 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AIV3N6U6HFZMYBMGOYIINPXNQD}

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	2026-07-05T12:03:33.308360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

022bb6fa9e3972cc0586761086beed80e4f34924c98060adf1636faba0967caa

Aliases

arxiv: 2509.02169 · arxiv_version: 2509.02169v1 · doi: 10.48550/arxiv.2509.02169 · pith_short_12: AIV3N6U6HFZM · pith_short_16: AIV3N6U6HFZMYBMG · pith_short_8: AIV3N6U6

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/AIV3N6U6HFZMYBMGOYIINPXNQD \
  | 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: 022bb6fa9e3972cc0586761086beed80e4f34924c98060adf1636faba0967caa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6f6628aba1f21b634798b304798146abbf74bf5f46dc61fde89f1cb1cd27c46",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-09-02T10:21:44Z",
    "title_canon_sha256": "5a038c8d4f08b33d0ecabe0638f419f8014263359788995f053db0c97298e4a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02169",
    "kind": "arxiv",
    "version": 1
  }
}