Pith Number

pith:PNUZZXBQ

pith:2017:PNUZZXBQXMYBQV6VP5SCOTWWSB

not attested not anchored not stored refs pending

An automated system to measure the quantum efficiency of CCDs for astronomy

Andrei Nomerotski, David Cinabro, Homer Neal, Ivan Kotov, James Chiang, Justine Haupt, Peter Takacs, Rebecca Coles

arxiv:1701.03833 v3 · 2017-01-13 · 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{PNUZZXBQXMYBQV6VP5SCOTWWSB}

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	2026-05-18T00:35:46.552752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b699cdc30bb301857d57f64274ed69067feb979ad559ddf22feae1f7d00637a

Aliases

arxiv: 1701.03833 · arxiv_version: 1701.03833v3 · doi: 10.48550/arxiv.1701.03833 · pith_short_12: PNUZZXBQXMYB · pith_short_16: PNUZZXBQXMYBQV6V · pith_short_8: PNUZZXBQ

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/PNUZZXBQXMYBQV6VP5SCOTWWSB \
  | 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: 7b699cdc30bb301857d57f64274ed69067feb979ad559ddf22feae1f7d00637a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea3928ce33b957d3ef5b0b4b37511c2e6e716b18cb99eb2fe7714834799a414d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-01-13T21:31:44Z",
    "title_canon_sha256": "8b012994d48fe21820baad08a240fbcac51bc2c4921fd85779c72cc170adb883"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03833",
    "kind": "arxiv",
    "version": 3
  }
}