Pith Number

pith:UPNBNGFS

pith:2024:UPNBNGFSO3KKB2FADHVAEMXLO7

not attested not anchored not stored refs pending

Adaptive sampling strategy for tolerance analysis of freeform optical surfaces based on critical ray aiming

Donglin Ma, Hao Tan, Huiru Ji, Rundong Fan, Shili Wei, Yan Mo, Zhuang Qian

arxiv:2407.03688 v1 · 2024-07-04 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPNBNGFSO3KKB2FADHVAEMXLO7}

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	2026-07-05T08:40:22.091503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3da1698b276d4a0e8a019ea0232eb77c52f6215972e4f3b6193077fcc71fe3a

Aliases

arxiv: 2407.03688 · arxiv_version: 2407.03688v1 · doi: 10.48550/arxiv.2407.03688 · pith_short_12: UPNBNGFSO3KK · pith_short_16: UPNBNGFSO3KKB2FA · pith_short_8: UPNBNGFS

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/UPNBNGFSO3KKB2FADHVAEMXLO7 \
  | 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: a3da1698b276d4a0e8a019ea0232eb77c52f6215972e4f3b6193077fcc71fe3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e1eb48c240e6d5dc926a35d61942e69df562ea37ec8ca38ec76ae4f530ed4e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2024-07-04T07:21:19Z",
    "title_canon_sha256": "4773e1c7ed853218b6527e4219a27b38e42e37c0816d6fb0f5fb6866bc9af943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.03688",
    "kind": "arxiv",
    "version": 1
  }
}