Pith Number

pith:4RFUCWMJ

pith:2026:4RFUCWMJAENK3H6JA4T6PDWOTU

not attested not anchored not stored refs pending

The "dark dips" phenomenon in the LSST Camera on-sky images

Andrew P. Rasmussen, Claire Juramy, John Banovetz, Pierre Antilogus, Pierre Astier, Sean Patrick MacBride, Yousuke Utsumi

arxiv:2607.00925 v1 · 2026-07-01 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RFUCWMJAENK3H6JA4T6PDWOTU}

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	2026-07-02T01:18:23.727648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e44b415989011aad9fc90727e78ece9d2b92e0a4292661454d8943cbacc9c87e

Aliases

arxiv: 2607.00925 · arxiv_version: 2607.00925v1 · doi: 10.48550/arxiv.2607.00925 · pith_short_12: 4RFUCWMJAENK · pith_short_16: 4RFUCWMJAENK3H6J · pith_short_8: 4RFUCWMJ

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/4RFUCWMJAENK3H6JA4T6PDWOTU \
  | 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: e44b415989011aad9fc90727e78ece9d2b92e0a4292661454d8943cbacc9c87e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ed9f7db8c7daaacfbddac9078eaf1ca18f7aa481a58b8ac7872ddc486d5eae7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-01T13:28:06Z",
    "title_canon_sha256": "bca7e579413319e8809fe6b5db1e142b2e1c1ba129846a72c30f375f8c5eee58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00925",
    "kind": "arxiv",
    "version": 1
  }
}