Pith Number

pith:5MR4LEBB

pith:2022:5MR4LEBBQPP2WWVZIRR3I6NQ3D

not attested not anchored not stored refs pending

Noncontact measurement method of linear and angular displacement based on dual-beam feedback interferometric system

Xin Xu, Yidong Tan, Zongren Dai

arxiv:2204.03488 v1 · 2022-04-07 · physics.optics · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5MR4LEBBQPP2WWVZIRR3I6NQ3D}

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	2026-07-05T04:12:30.473469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb23c5902183dfab5ab94463b479b0d8f0e2bd3c22ff6719ab51b74e267e2eb6

Aliases

arxiv: 2204.03488 · arxiv_version: 2204.03488v1 · doi: 10.48550/arxiv.2204.03488 · pith_short_12: 5MR4LEBBQPP2 · pith_short_16: 5MR4LEBBQPP2WWVZ · pith_short_8: 5MR4LEBB

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/5MR4LEBBQPP2WWVZIRR3I6NQ3D \
  | 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: eb23c5902183dfab5ab94463b479b0d8f0e2bd3c22ff6719ab51b74e267e2eb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bb9cbc00d9d605e83a9f270cabc410d52957b88b7a146ad663c3b7991809e77",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-04-07T15:03:18Z",
    "title_canon_sha256": "183f0972b90ca66cf756286fd22af64612df8d470b2f45ff63e446f69328770c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.03488",
    "kind": "arxiv",
    "version": 1
  }
}