Pith Number

pith:PJC5R7PD

pith:2025:PJC5R7PDBKM7FCBAHKOTQQ5WB7

not attested not anchored not stored refs pending

Enhancing Compton telescope imaging with maximum a posteriori estimation: a modified Richardson-Lucy algorithm for the Compton Spectrometer and Imager

Alyson Joens, Anaya Valluvan, Andreas Zoglauer, Carolyn Kierans, Chien-You Huang, Chris Karwin, Dieter Hartmann, Eliza Neights, Field Rogers, Hiroki Yoneda, Hugh Bates, Israel Martinez-Castellanos, Jarred Roberts, John Tomsick, Keigo Okuma, Michela Negro, Saurabh Mittal, Savitri Gallego, Sean N. Pike, Shigeki Matsumoto, Steven E. Boggs, Tadayuki Takahashi, Thomas Siegert, Uwe Oberlack, Yong Sheng, Yu Watanabe

arxiv:2504.02468 v1 · 2025-04-03 · astro-ph.IM · 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{PJC5R7PDBKM7FCBAHKOTQQ5WB7}

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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	2026-07-05T11:02:22.627435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a45d8fde30a99f288203a9d3843b60ff30a6d25895b99d3180bea754c4cdaf4

Aliases

arxiv: 2504.02468 · arxiv_version: 2504.02468v1 · doi: 10.48550/arxiv.2504.02468 · pith_short_12: PJC5R7PDBKM7 · pith_short_16: PJC5R7PDBKM7FCBA · pith_short_8: PJC5R7PD

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/PJC5R7PDBKM7FCBAHKOTQQ5WB7 \
  | 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: 7a45d8fde30a99f288203a9d3843b60ff30a6d25895b99d3180bea754c4cdaf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "406d84fd8d3936ea4d06f04317067dc1d282bf0327320c8e5f828713f0748817",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-04-03T10:39:16Z",
    "title_canon_sha256": "0484feb9954e1badc960011b6e4456bc74c44bc581de95ce9a938151b1ec7ab0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.02468",
    "kind": "arxiv",
    "version": 1
  }
}