Pith Number

pith:PSFHX3HW

pith:2001:PSFHX3HWLXQAAYJ6NBP64EPBBW

not attested not anchored not stored refs pending

The VLT-VIRMOS Mask Manufacturing Unit

B. Garilli, C. Vo\"et, D. Bottini, D. Maccagni, D. Mancini, E. Cascone, E. Mattaini, E. Sant'Ambrogio, F. Perrotta, G. Conti, G. Mancini, G. Vettolani, L. Chiappetti, M. Saisse, O. Caputi, O. Le F\`evre, P. Schipani

arxiv:astro-ph/0101326 v1 · 2001-01-18 · 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{PSFHX3HWLXQAAYJ6NBP64EPBBW}

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	2026-07-04T16:22:35.722441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c8a7becf65de000613e685fee11e10da488bc3ea1514838eb30a47062cf4723

Aliases

arxiv: astro-ph/0101326 · arxiv_version: astro-ph/0101326v1 · doi: 10.48550/arxiv.astro-ph/0101326 · pith_short_12: PSFHX3HWLXQA · pith_short_16: PSFHX3HWLXQAAYJ6 · pith_short_8: PSFHX3HW

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/PSFHX3HWLXQAAYJ6NBP64EPBBW \
  | 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: 7c8a7becf65de000613e685fee11e10da488bc3ea1514838eb30a47062cf4723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52aea04a41d685f0ae355898145c0e34e0d42df219580bccc6ce7ae6320d261d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-18T13:26:43Z",
    "title_canon_sha256": "ccee4d03937b0a72b09aeb69feaabeb4e59da59272ae9ad8f297948e1acfab7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101326",
    "kind": "arxiv",
    "version": 1
  }
}