Pith Number

pith:4SI3MF3O

pith:1997:4SI3MF3OAQ5YKTHPF4N3IQNSAI

not attested not anchored not stored refs pending

Adaptive Optics Spectroscopy: Preliminary Theoretical Results

Chris Shelton, David Sandler, Don McCarthy & Jim Burge (Steward Observatory, Jian Ge, Roger Angel, Univ. of Arizona)

arxiv:astro-ph/9708103 v1 · 1997-08-12 · 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{4SI3MF3OAQ5YKTHPF4N3IQNSAI}

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	2026-05-18T01:40:16.868178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e491b6176e043b854cef2f1bb441b2023d59df5feee4e5437900ece94b46db86

Aliases

arxiv: astro-ph/9708103 · arxiv_version: astro-ph/9708103v1 · doi: 10.48550/arxiv.astro-ph/9708103 · pith_short_12: 4SI3MF3OAQ5Y · pith_short_16: 4SI3MF3OAQ5YKTHP · pith_short_8: 4SI3MF3O

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/4SI3MF3OAQ5YKTHPF4N3IQNSAI \
  | 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: e491b6176e043b854cef2f1bb441b2023d59df5feee4e5437900ece94b46db86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97c15cac5bda7cd23eb9f84f09422746fa4a462f92c0bcf93d5c648c6372c2e7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-12T06:47:57Z",
    "title_canon_sha256": "ed89904c6336cb730f46780a5bdf62b1f2d15e80ee53721b4d41ee81f27ccd70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708103",
    "kind": "arxiv",
    "version": 1
  }
}