Pith Number

pith:CVZYCWUK

pith:2015:CVZYCWUKR4ABWKASPYYZPXCRYW

not attested not anchored not stored refs pending

Topological metrology and its application to optical position sensing

Gabriel Molina-Terriza, Gavin Brennen, Mathieu L. Juan, Nora Tischler, Sukhwinder Singh, Xavier Vidal, Xavier Zambrana-Puyalto

arxiv:1505.00547 v2 · 2015-05-04 · 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{CVZYCWUKR4ABWKASPYYZPXCRYW}

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	2026-05-18T01:24:43.752335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1573815a8a8f001b28127e3197dc51c59996165b56e4028bf31a87f132b8f3dd

Aliases

arxiv: 1505.00547 · arxiv_version: 1505.00547v2 · doi: 10.48550/arxiv.1505.00547 · pith_short_12: CVZYCWUKR4AB · pith_short_16: CVZYCWUKR4ABWKAS · pith_short_8: CVZYCWUK

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/CVZYCWUKR4ABWKASPYYZPXCRYW \
  | 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: 1573815a8a8f001b28127e3197dc51c59996165b56e4028bf31a87f132b8f3dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cd4f3415d6fa3211ecf3436aa9ceda093666d88599a4da033f6282a331a7892",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-05-04T08:11:55Z",
    "title_canon_sha256": "a09ce6211468f549b6cab10eb7a4597fc4830bb1f6b06ee03a948f849dbcc6c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00547",
    "kind": "arxiv",
    "version": 2
  }
}