Pith Number

pith:FL2JE3EQ

pith:2021:FL2JE3EQECPET6GXDYQJZIPX4J

not attested not anchored not stored refs pending

Characterization of Low Light Performance of a CMOS sensor for Ultraviolet Astronomical Applications

Brian Grefenstette, Fiona Harrison, Hannah Earnshaw, John Hennessy, Myles Sherman, Roger Smith, Shouleh Nikzad, Timothee Greffe

arxiv:2112.01691 v3 · 2021-12-03 · 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{FL2JE3EQECPET6GXDYQJZIPX4J}

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	2026-07-05T04:09:59.624331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2af4926c90209e49f8d71e209ca1f7e256cb9e9c96f24b76c511e0eb9b41fda3

Aliases

arxiv: 2112.01691 · arxiv_version: 2112.01691v3 · doi: 10.48550/arxiv.2112.01691 · pith_short_12: FL2JE3EQECPE · pith_short_16: FL2JE3EQECPET6GX · pith_short_8: FL2JE3EQ

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/FL2JE3EQECPET6GXDYQJZIPX4J \
  | 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: 2af4926c90209e49f8d71e209ca1f7e256cb9e9c96f24b76c511e0eb9b41fda3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1eb109682d59e2697ee23441279889b5bad80a8639af3fa66f6f77300f891fc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-12-03T03:05:02Z",
    "title_canon_sha256": "14c7ab51d3bacdd8c94cf49f8b31eb414d42c865a9f555b34804418fe1ce33fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01691",
    "kind": "arxiv",
    "version": 3
  }
}