Pith Number

pith:FJFPQ4JR

pith:2025:FJFPQ4JRP3UZGPEQ3FMK4BLCGR

not attested not anchored not stored refs pending

CCAT: Multi-Rate DSP for Sub-mm Astronomy: Polyphase Synthesis Filter Bank on FPGA for Enhanced MKID Readout

Adrian K. Sinclair, Anthony Huber, James Burgoyne, Ruixuan (Matt) Xie, Scott Chapman

arxiv:2502.00231 v1 · 2025-02-01 · 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{FJFPQ4JRP3UZGPEQ3FMK4BLCGR}

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	2026-07-05T10:08:30.876111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a4af871317ee9933c90d958ae05623456f38a6b5ea77c0f91af78a35eb838e5

Aliases

arxiv: 2502.00231 · arxiv_version: 2502.00231v1 · doi: 10.48550/arxiv.2502.00231 · pith_short_12: FJFPQ4JRP3UZ · pith_short_16: FJFPQ4JRP3UZGPEQ · pith_short_8: FJFPQ4JR

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/FJFPQ4JRP3UZGPEQ3FMK4BLCGR \
  | 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: 2a4af871317ee9933c90d958ae05623456f38a6b5ea77c0f91af78a35eb838e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd5bfe2c7f937811e8c7271a5a2adc701cb5ba81ad1eb895742ea57031041567",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-02-01T00:11:21Z",
    "title_canon_sha256": "9ac944fbd70bf07bf98942fff9934a86dbd41cd75f1cf94ee4f3dd84acf2f387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.00231",
    "kind": "arxiv",
    "version": 1
  }
}