Pith Number

pith:2YFAAEXC

pith:2016:2YFAAEXCWZZTN22ZU5UALSYZIB

not attested not anchored not stored refs pending

SRAO: optical design and the dual-knife-edge WFS

Andrei Tokovinin, Carl Ziegler, Nicholas M. Law

arxiv:1608.00579 v1 · 2016-08-01 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YFAAEXCWZZTN22ZU5UALSYZIB}

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	2026-05-18T00:57:11.297666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d60a0012e2b67336eb59a76805cb1940735eed5bc6b058f7e6ab8a427602250b

Aliases

arxiv: 1608.00579 · arxiv_version: 1608.00579v1 · doi: 10.48550/arxiv.1608.00579 · pith_short_12: 2YFAAEXCWZZT · pith_short_16: 2YFAAEXCWZZTN22Z · pith_short_8: 2YFAAEXC

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/2YFAAEXCWZZTN22ZU5UALSYZIB \
  | 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: d60a0012e2b67336eb59a76805cb1940735eed5bc6b058f7e6ab8a427602250b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51260de2f35faf0d202810e6866e27f57b3a59c154ae8277d44ee1e54fd585cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-08-01T20:00:03Z",
    "title_canon_sha256": "57ac5ef8c6c51d9accc317b23408e50cb5b864e067cc980a6f166a304cd65016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00579",
    "kind": "arxiv",
    "version": 1
  }
}