OT-2026-000003502
Publication integrity record
Bellows cup 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-2026-000003502) never changes.
Identity and time
| Publication number | OT-2026-000003502 · never reused |
|---|---|
| Internal UUID | 01a0a906-da89-7de8-8920-5badc53bffad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:13.804722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003502 |
| Status | PUBLIC |
Content hashes
| Canonical text | 59ffb086fc42c4966e82b3dfda7ab49850aaa4e8e2000fb027b6bf933a0d0b9c |
|---|---|
| Markdown | 84d619893214b3a7a962691db4cecb4f6f52b202295eb4b20042a9f66b82348e |
| Publication page | 074111074142053691b38aa0367b254bb52210040c92f3fbfad04b4da00ed035 |
| Manifest | 8388f85300c190c71a6c27b3075f701b37b3003e946dbe29405ea60041f9ad9f |
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 | kpyRUtiOjjrROBcRXWW0vIX1ux+fzGME+YTpkqcq7l9JKFZ2HFbEIeDM9HH/qW2MC0ix6LxAub8GambUl7rwCg== |
| 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
| 2026-09-16T09:00:34.700071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003502observed 074111074142053691b38aa0367b254b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:00:34.688535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003502/manifest.jsonobserved 8388f85300c190c71a6c27b3075f701b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:34.673965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003502/publication.mdobserved 84d619893214b3a7a962691db4cecb4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:00:34.659622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003502/publication.txtobserved 59ffb086fc42c4966e82b3dfda7ab498...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. |
|---|