Pith Number

pith:TSCYW4QF

pith:1995:TSCYW4QFBCIPHG4CG6IXIGJMG7

not attested not anchored not stored refs pending

Active vase mirrors warped by Zernike polynomials for Correcting off-axis aberrations of fixed primary mirrors. Part 2 - Optical testing and performance evaluation

B. Di Biagio, E.F. Borra, G. Moretto, G. R. LemaitreT. Bactivelane, M. Ferrari, M. Wang, S. Mazzanti

arxiv:astro-ph/9504009 v1 · 1995-04-04 · 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{TSCYW4QFBCIPHG4CG6IXIGJMG7}

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	2026-07-04T23:56:39.727530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c858b72050890f39b82379174192c37d6ce15c36a5b2ca8975793709ce2d652

Aliases

arxiv: astro-ph/9504009 · arxiv_version: astro-ph/9504009v1 · doi: 10.48550/arxiv.astro-ph/9504009 · pith_short_12: TSCYW4QFBCIP · pith_short_16: TSCYW4QFBCIPHG4C · pith_short_8: TSCYW4QF

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/TSCYW4QFBCIPHG4CG6IXIGJMG7 \
  | 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: 9c858b72050890f39b82379174192c37d6ce15c36a5b2ca8975793709ce2d652

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bdd29e8b7c4fdf0724384b22952273bc7d7d6b94b768cde48dd98d961e6fc82",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-04-04T21:05:59Z",
    "title_canon_sha256": "3de462dcac6b3dd1f38e9b1bf3f3c4b74d0faadfd9d789d27cbc797b30380804"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9504009",
    "kind": "arxiv",
    "version": 1
  }
}