Pith Number

pith:FQS2JKCH

pith:2012:FQS2JKCHEDCJ6MMXDG4HH3D7WG

not attested not anchored not stored refs pending

A readout for large arrays of Microwave Kinetic Inductance Detectors

Benjamin A. Mazin, Bruno Serfass, Dan Werthimer, Kieran O'Brien, Ran Duan, Rick Raffanti, Sean McHugh, Seth Meeker

arxiv:1203.5861 v1 · 2012-03-27 · 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{FQS2JKCHEDCJ6MMXDG4HH3D7WG}

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	2026-05-18T03:17:34.342804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c25a4a84720c49f319719b873ec7fb183bcd8d795a80eb34dde2e178e086952

Aliases

arxiv: 1203.5861 · arxiv_version: 1203.5861v1 · doi: 10.48550/arxiv.1203.5861 · pith_short_12: FQS2JKCHEDCJ · pith_short_16: FQS2JKCHEDCJ6MMX · pith_short_8: FQS2JKCH

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/FQS2JKCHEDCJ6MMXDG4HH3D7WG \
  | 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: 2c25a4a84720c49f319719b873ec7fb183bcd8d795a80eb34dde2e178e086952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4d7abb169017aceaac6b2342bf7e98f752da49f363862373ff7e28dd0c71e1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-03-27T03:37:01Z",
    "title_canon_sha256": "5bdaa4bcabf062dc2e390a8df435983c159dd8c8648373580567e392ee1b922c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5861",
    "kind": "arxiv",
    "version": 1
  }
}