Pith Number

pith:QCYH6QMK

pith:2003:QCYH6QMKLXRTNQNGEWCPCAPNES

not attested not anchored not stored refs pending

Ringing effects reduction by improved deconvolution algorithm Application to A370 CFHT image of gravitational arcs

Christian Bracco, Claude Aime, Henri Lanteri, Muriel Roche, Yannick Mellier

arxiv:astro-ph/0306419 v1 · 2003-06-20 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCYH6QMKLXRTNQNGEWCPCAPNES}

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	2026-07-04T16:37:23.701576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80b07f418a5de336c1a62584f101ed249bee04c9616b05e4237c2e0e7759c55a

Aliases

arxiv: astro-ph/0306419 · arxiv_version: astro-ph/0306419v1 · doi: 10.48550/arxiv.astro-ph/0306419 · pith_short_12: QCYH6QMKLXRT · pith_short_16: QCYH6QMKLXRTNQNG · pith_short_8: QCYH6QMK

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/QCYH6QMKLXRTNQNGEWCPCAPNES \
  | 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: 80b07f418a5de336c1a62584f101ed249bee04c9616b05e4237c2e0e7759c55a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c261e44bea881e9e1bf52e7639210a7235a09e8a8604f9910350dd494353635",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-06-20T15:58:15Z",
    "title_canon_sha256": "a215829464b545e63065dea106f525a86fc2c15da08a870c0043abeae40e4387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0306419",
    "kind": "arxiv",
    "version": 1
  }
}