Pith Number

pith:AYJI7DBY

pith:2013:AYJI7DBYBKXHCJXOUH7BBPQJQ5

not attested not anchored not stored refs pending

Apodization in high-contrast long-slit spectroscopy. Closer, deeper, fainter, cooler

A. Vigan, K. Dohlen, M. N'Diaye

arxiv:1305.5142 v2 · 2013-05-22 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYJI7DBYBKXHCJXOUH7BBPQJQ5}

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	2026-05-18T03:18:42.141913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06128f8c380aae7126eea1fe10be098746a808858cbbd2497b9fd98c4e08df9e

Aliases

arxiv: 1305.5142 · arxiv_version: 1305.5142v2 · doi: 10.48550/arxiv.1305.5142 · pith_short_12: AYJI7DBYBKXH · pith_short_16: AYJI7DBYBKXHCJXO · pith_short_8: AYJI7DBY

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/AYJI7DBYBKXHCJXOUH7BBPQJQ5 \
  | 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: 06128f8c380aae7126eea1fe10be098746a808858cbbd2497b9fd98c4e08df9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f64f27010e2dbe28c36a54f014e330bc67c94ad2f25782d2417e3527b5b1d88e",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-05-22T14:11:13Z",
    "title_canon_sha256": "90fd5bbb9092fbac0ba54632d2e1e0728068f2eac7fd43a31e235b1650e3dca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5142",
    "kind": "arxiv",
    "version": 2
  }
}