Pith Number

pith:VRZHXCPF

pith:2019:VRZHXCPFIOKAFBYZTYQSSJMRB6

not attested not anchored not stored refs pending

Structured light interferometry

Jian Wang, Liang Fang, Zhenyu Wan

arxiv:1912.02446 v2 · 2019-12-05 · 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{VRZHXCPFIOKAFBYZTYQSSJMRB6}

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	2026-07-05T00:24:43.984790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac727b89e543940287199e212925910f9f950c3defbb60465725ba6a1f3f3f99

Aliases

arxiv: 1912.02446 · arxiv_version: 1912.02446v2 · doi: 10.48550/arxiv.1912.02446 · pith_short_12: VRZHXCPFIOKA · pith_short_16: VRZHXCPFIOKAFBYZ · pith_short_8: VRZHXCPF

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/VRZHXCPFIOKAFBYZTYQSSJMRB6 \
  | 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: ac727b89e543940287199e212925910f9f950c3defbb60465725ba6a1f3f3f99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdb252314c075dcfb5fa720ee825775b4d508329444407bfbab73fe631e45b2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-12-05T09:15:47Z",
    "title_canon_sha256": "e29cfed90d196fd63cb2e9a67e7e1ddea1b50dd2afa6c9d0cd4282dec2363546"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.02446",
    "kind": "arxiv",
    "version": 2
  }
}