OT-2026-000005597
Publication integrity record
Porous face vacuum gripper, two zone face, pump fed, pressure verified, contact triggered
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-2026-000005597) never changes.
Identity and time
| Publication number | OT-2026-000005597 · never reused |
|---|---|
| Internal UUID | 01a0a93e-7f54-7337-ae44-7dce4a3a5e92 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:04:00.471889Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005597 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4598c3b776647e8b16e58d2add3c38eef2b25096ff32e08442487bc18c0c8129 |
|---|---|
| Markdown | 281b5026889fab9dd65f9266479afaaca18f70d8e397cc97709fc8cecc66543f |
| Publication page | 357aee2cc2162c9790beb166d95bc7048e00d71afe2396f2b44f02b1869b63a1 |
| Manifest | 615a755b0d38f00257baf952ec7937dc2bed470eb2afa587c6fcb0102d8e7678 |
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 | uLuE2QTA9ABFC15YhvOoP+GLEMgyY7yKq2G3LVWVSRUwSLm/vk+Jwawt90oLWNok8fT/5EFBagwbKWeYahyQDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:10:22.471613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005597observed 357aee2cc2162c9790beb166d95bc704...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:22.458164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005597/manifest.jsonobserved 615a755b0d38f00257baf952ec7937dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:22.445355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005597/publication.mdobserved 281b5026889fab9dd65f9266479afaac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:22.431120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005597/publication.txtobserved 4598c3b776647e8b16e58d2add3c38ee...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. |
|---|