OT-2026-000003507
Publication integrity record
Vacuum gripper with per-zone isolation of the vacuum circuit
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000003507) never changes.
Identity and time
| Publication number | OT-2026-000003507 · never reused |
|---|---|
| Internal UUID | 01a0a906-ddcf-7adf-aea5-65d02b1d8783 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:14.642440Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003507 |
| Status | PUBLIC |
Content hashes
| Canonical text | 38b53d1c10dcb58b134a0833bc199a435894c26799887f6f2b103e4942e27952 |
|---|---|
| Markdown | 1bcae676a5cb87578f1a6fe2a5c0883d64a7c911fe763b760ebef865ade87e6f |
| Publication page | f7d5473ec1f516d80f8a91740d4a2d503f23153d931359c73b59f15b0c5d71d4 |
| Manifest | 45a492a3981d6cfb811a4faee826f04b57673dd9b1c1035196b280d4b1e62e2e |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | rfwZ8XKQAblIm6U5xcBLiLlSITGb+3s3XMCXsN+uAg2r3Ke05tbSVFqydxDoUgW3ysona75D1TQiJrez/ggZCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T09:00:34.158833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003507observed f7d5473ec1f516d80f8a91740d4a2d50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:34.144481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003507/manifest.jsonobserved 45a492a3981d6cfb811a4faee826f04b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:34.130390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003507/publication.mdobserved 1bcae676a5cb87578f1a6fe2a5c0883d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:33.989097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003507/publication.txtobserved 38b53d1c10dcb58b134a0833bc199a43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|