Pith Number

pith:2HDDZZDY

pith:2009:2HDDZZDY5ESQVK6TCAHB3AEBRR

not attested not anchored not stored refs pending

Calibration and Interpixel Capacitance of a H2RG(2Kx2K) Near-IR Detector

A. Ealet, C. Cerna, G. Smadja

arxiv:0905.4442 v1 · 2009-05-27 · 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{2HDDZZDY5ESQVK6TCAHB3AEBRR}

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	2026-05-18T02:13:31.580300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1c63ce478e9250aabd3100e1d80818c767b97a73b8a5536771b9c93f4499295

Aliases

arxiv: 0905.4442 · arxiv_version: 0905.4442v1 · doi: 10.48550/arxiv.0905.4442 · pith_short_12: 2HDDZZDY5ESQ · pith_short_16: 2HDDZZDY5ESQVK6T · pith_short_8: 2HDDZZDY

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/2HDDZZDY5ESQVK6TCAHB3AEBRR \
  | 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: d1c63ce478e9250aabd3100e1d80818c767b97a73b8a5536771b9c93f4499295

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be17acd96236e3350d68b84d3839b345404325c6f7e4aa32a6e73a2a0d52798c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-05-27T14:40:35Z",
    "title_canon_sha256": "97bbba0432aa47f88fc12933d8cf48a5679c4b249095973ea866a34278401403"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4442",
    "kind": "arxiv",
    "version": 1
  }
}