Pith Number

pith:D3VBCQG4

pith:2010:D3VBCQG4X7JOJPBOVA4GPHG4MG

not attested not anchored not stored refs pending

Teaching Optics and Systems Engineering With Adaptive Optics Workbenches

Claire Max, David Harrington, J.D. Armstrong, Lisa Hunter, Mark Ammons, Mark Hoffmann, Mark Pitts

arxiv:1009.4463 v2 · 2010-09-22 · physics.ed-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{D3VBCQG4X7JOJPBOVA4GPHG4MG}

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	2026-05-18T04:39:58.909427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eea1140dcbfd2e4bc2ea838679cdc61bfe104fe8fadffca4edfdfdf8e7d7430

Aliases

arxiv: 1009.4463 · arxiv_version: 1009.4463v2 · doi: 10.48550/arxiv.1009.4463 · pith_short_12: D3VBCQG4X7JO · pith_short_16: D3VBCQG4X7JOJPBO · pith_short_8: D3VBCQG4

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/D3VBCQG4X7JOJPBOVA4GPHG4MG \
  | 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: 1eea1140dcbfd2e4bc2ea838679cdc61bfe104fe8fadffca4edfdfdf8e7d7430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5d37c86907fd5295cbc4f5b7db03d7b4f4ded774be7fb12776d486b07e52047",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2010-09-22T20:06:04Z",
    "title_canon_sha256": "ff057e45f24f1c0f3977cf518ec304c4a7c33c8eb68e0a03744dd14b49666713"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4463",
    "kind": "arxiv",
    "version": 2
  }
}