Pith Number

pith:ZAPPBXOH

pith:2019:ZAPPBXOHHAOFTA23XFKHQDCCGV

not attested not anchored not stored refs pending

Principal Component Analysis of Up-the-ramp Sampled IR Array Data

Alexander Kutyrev, Bernard J. Rauscher, D.J. Fixsen, Gregory Mosby, Richard G. Arendt, S.H. Moseley

arxiv:1902.02312 v1 · 2019-02-06 · 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{ZAPPBXOHHAOFTA23XFKHQDCCGV}

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	2026-05-17T23:47:26.221930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c81ef0ddc7381c59835bb954780c42354a5e43418a8066123e5d2524369cffa8

Aliases

arxiv: 1902.02312 · arxiv_version: 1902.02312v1 · doi: 10.48550/arxiv.1902.02312 · pith_short_12: ZAPPBXOHHAOF · pith_short_16: ZAPPBXOHHAOFTA23 · pith_short_8: ZAPPBXOH

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/ZAPPBXOHHAOFTA23XFKHQDCCGV \
  | 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: c81ef0ddc7381c59835bb954780c42354a5e43418a8066123e5d2524369cffa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38a609e24649d47280f1dce678b8adbb706b9befd6a4f31a0623e15ae598a1fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-02-06T18:17:24Z",
    "title_canon_sha256": "7954b9c96294c88ae0fbe36828202ebbf5834433e7ab53d02aa9af9b8f02f285"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02312",
    "kind": "arxiv",
    "version": 1
  }
}