Pith Number

pith:EJYWSTXF

pith:2025:EJYWSTXFVVJUXFQFRUMFVWE6D7

not attested not anchored not stored refs pending

Milli-arcsec X-ray positions and X-ray varstrometry for the strongly lensed AGN HE 0435-1223

2), (2) Physics Department University of Wisconsin, (3) Center for Astrophysics | Harvard & Smithsonian, (4) Istituto di Radioastronomia, Alysa Rogers (1, Anna Barnacka (3) ((1) Brandeis University, Bologna, Cristiana Spingola (4), Daniel Schwartz (3), Italy), Madison

arxiv:2505.08077 v1 · 2025-05-12 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJYWSTXFVVJUXFQFRUMFVWE6D7}

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	2026-07-05T11:02:02.457042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2271694ee5ad534b96058d185ad89e1fdc14eeb8014084ec750b67f726b036f9

Aliases

arxiv: 2505.08077 · arxiv_version: 2505.08077v1 · doi: 10.48550/arxiv.2505.08077 · pith_short_12: EJYWSTXFVVJU · pith_short_16: EJYWSTXFVVJUXFQF · pith_short_8: EJYWSTXF

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/EJYWSTXFVVJUXFQFRUMFVWE6D7 \
  | 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: 2271694ee5ad534b96058d185ad89e1fdc14eeb8014084ec750b67f726b036f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f643fa31bd64530f3fcec9b3d9ee18bd7d4d1e4d3fb2e35b32d9a027152342ad",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-05-12T21:22:05Z",
    "title_canon_sha256": "a64ae6a99a5cd766ad1576e5cfac7a9cb4f845158347e30b69ea88ab699fcc9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.08077",
    "kind": "arxiv",
    "version": 1
  }
}