pith. sign in
Pith Number

pith:4FAB3NBL

pith:2016:4FAB3NBLU7ZT62GAXE64SS7ZF5
not attested not anchored not stored refs pending

A Cryogenic SiGe Low Noise Amplifier Optimized for Phased Array Feeds

Matthew A. Morgan, Wavley M. Groves III

arxiv:1612.04313 v3 · 2016-12-13 · astro-ph.IM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4FAB3NBLU7ZT62GAXE64SS7ZF5}

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 2026-05-18T00:40:07.668641Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e1401db42ba7f33f68c0b93dc94bf92f55eb70aa1e0550f2eb1870233c9d6060

Aliases

arxiv: 1612.04313 · arxiv_version: 1612.04313v3 · doi: 10.48550/arxiv.1612.04313 · pith_short_12: 4FAB3NBLU7ZT · pith_short_16: 4FAB3NBLU7ZT62GA · pith_short_8: 4FAB3NBL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4FAB3NBLU7ZT62GAXE64SS7ZF5 \
  | 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: e1401db42ba7f33f68c0b93dc94bf92f55eb70aa1e0550f2eb1870233c9d6060
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c5c99ecd2a2871abe7488a38922c7904afd9754baf38257552e3d5aceacf213f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-12-13T18:39:16Z",
    "title_canon_sha256": "c447c15f8f3849395d6f135449965d57e942f68d4b3fe6e608ab5a691f5413cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04313",
    "kind": "arxiv",
    "version": 3
  }
}