Pith Number

pith:Y6IKIDIR

pith:2014:Y6IKIDIR2TCLWWJLTIH3GNHGW2

not attested not anchored not stored refs pending

The impact of JPEG2000 lossy compression on the scientific quality of radio astronomy imagery

Sean M. Peters, Vyacheslav V. Kitaeff

arxiv:1401.7433 v2 · 2014-01-29 · 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{Y6IKIDIR2TCLWWJLTIH3GNHGW2}

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	2026-05-18T02:48:46.388391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c790a40d11d4c4bb592b9a0fb334e6b6895105b8ceba6343a022a23c41e5e952

Aliases

arxiv: 1401.7433 · arxiv_version: 1401.7433v2 · doi: 10.48550/arxiv.1401.7433 · pith_short_12: Y6IKIDIR2TCL · pith_short_16: Y6IKIDIR2TCLWWJL · pith_short_8: Y6IKIDIR

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/Y6IKIDIR2TCLWWJLTIH3GNHGW2 \
  | 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: c790a40d11d4c4bb592b9a0fb334e6b6895105b8ceba6343a022a23c41e5e952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5013907bd606a7dd582f1adaac51be26285b8206564b9f369c8a09f4b3c846bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-01-29T08:42:50Z",
    "title_canon_sha256": "60c2ea5764e578f30fe1a452bd9bd9538df03ad59166136fcbd3a3e6f1e5fb98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7433",
    "kind": "arxiv",
    "version": 2
  }
}