Pith Number

pith:XQLC6Z25

pith:2025:XQLC6Z257PG4WQGX5SDM2BFA7K

not attested not anchored not stored refs pending

Optimising reference library selection for reference-star differential imaging of discs with SPHERE/IRDIS

A.-M. Lagrange, J. Mazoyer, J. Milli, S. Bergeon, S. Stasevic

arxiv:2509.03325 v1 · 2025-09-03 · astro-ph.EP · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQLC6Z257PG4WQGX5SDM2BFA7K}

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	2026-07-05T12:04:20.463710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc162f675dfbcdcb40d7ec86cd04a0fa8d60f21c70825909eba99392878f735e

Aliases

arxiv: 2509.03325 · arxiv_version: 2509.03325v1 · doi: 10.48550/arxiv.2509.03325 · pith_short_12: XQLC6Z257PG4 · pith_short_16: XQLC6Z257PG4WQGX · pith_short_8: XQLC6Z25

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/XQLC6Z257PG4WQGX5SDM2BFA7K \
  | 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: bc162f675dfbcdcb40d7ec86cd04a0fa8d60f21c70825909eba99392878f735e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e76c08d8688ec988a97ff1c9c646c4dfe1c3c3fc3989d3772d5e34f1d204803a",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-09-03T14:01:40Z",
    "title_canon_sha256": "ca38c883773f8b5f5f9553f29fe846a53e6768de706bd6e0abd5f58383aed6b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.03325",
    "kind": "arxiv",
    "version": 1
  }
}