Pith Number

pith:5MYV6RMS

pith:2026:5MYV6RMSCWVIULRK2KCNMLS4CU

not attested not anchored not stored refs pending

On-orbit Calibration of the Carruthers GCI: Photon Background Removal

Alex Zhang, Farzad Kamalabadi, Heather Filippini, Jackson Craig, John Clarke, Lara Waldrop, Pratik Joshi

arxiv:2606.24030 v1 · 2026-06-23 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5MYV6RMSCWVIULRK2KCNMLS4CU}

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	2026-06-24T01:14:38.565527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb315f459215aa8a2e2ad284d62e5c150c58051f7606e5f3cbf07bdba0b132a0

Aliases

arxiv: 2606.24030 · arxiv_version: 2606.24030v1 · doi: 10.48550/arxiv.2606.24030 · pith_short_12: 5MYV6RMSCWVI · pith_short_16: 5MYV6RMSCWVIULRK · pith_short_8: 5MYV6RMS

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/5MYV6RMSCWVIULRK2KCNMLS4CU \
  | 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: eb315f459215aa8a2e2ad284d62e5c150c58051f7606e5f3cbf07bdba0b132a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf0c7e7bea269af722c2384b32f7362e223f78314d8fbe64aa5fd4e2c4a4e3d1",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-23T00:13:11Z",
    "title_canon_sha256": "b22f49b28191ebccbba2606b0004c940e3b1ef6055e401a17975efb78e6d26c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.24030",
    "kind": "arxiv",
    "version": 1
  }
}